President-elect Donald Trump talks to reporters at Mar-a-Lago in Palm Beach, Fla., in December. Evan Vucci AP
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“I will tell you, I think the American people have a right to know this,” said Sen. Ron Wyden, D-Ore., his voice rising. “If there is a delay in declassifying this information and releasing it to the American people, and it doesn’t happen before January 20th, I’m not sure it’s going to happen. That’s why I’m troubled.”

The two-page summary given to Obama and Trump was appended to the report about Russia’s intervention in the U.S. presidential race, CNN said. The network reported that the agency chiefs chose to make the president-elect aware that the information is circulating in Washington and to demonstrate that the Russians held disparaging information about both him and Hillary Clinton.

Spokespeople for the FBI, the CIA, the director of national intelligence and the White House declined to comment on the network report.

U.S. intelligence agencies have concluded that Russia orchestrated the pirating of tens of thousands of emails from the Democratic National Committee and Clinton campaign manager John Podesta. Obama has announced sanctions against the Kremlin for the cyber attacks, ordering the removal of 35 Russian diplomats, closing two Russian compounds and placing the names of nine other individuals and entities on a U.S. sanctions list.

Trump, however, has voiced doubts that the Russians were the culprit.

Members of the Senate Intelligence Committee on Tuesday took turns questioning top intelligence officials, who say investigative agencies found compelling evidence of Russian cyber-hacking throughout the 2016 election cycle.

The reports provide a picture of a stealthy Russian operation, in which Kremlin officials and Trump’s aides went to great lengths to ensure that Moscow had “plausible deniability” for the operation and paid a network of hackers through a series of intermediaries.

They’re quoted as saying that Russia for years compiled a dossier of “kompromat” – compromising information – about Clinton that was controlled by Kremlin spokesman Dmitry Peskov, who was described by the intelligence officer as instrumental in the hacking operation.

In return for Russia’s help in weakening Clinton’s election prospects, the former spy’s sources said, Trump’s team agreed that he would not make a campaign issue of Russia’s intervention in Ukraine but rather would deflect attention from that country by focusing on U.S. defense commitments in the Baltics and Eastern Europe.

During the campaign, Trump repeatedly railed that America’s European allies in the North Atlantic Treaty Organization weren’t paying their fair shares of NATO’s costs.

As part of their leverage, the Russians also advised an aide to Trump that they held “kompromat” about Trump, including audio and video tape of private moments, the reports alleged.

Reuters reported that Kremlin spokesman Dmitry Peskov on Wednesday called the allegations “total nonsense.” He went on to say: “It is an attempt to damage our bilateral relations. It is pulp fiction.”

One of Trump’s lawyers, Michael Cohen, was identified in the report as a intermediary who’d met with the Russians in Prague in late August or early September.

Cohen tweeted on Tuesday that his passport proves that he’s never been to Prague and told Yahoo News: “I’ve never been to Prague or Czechoslovakia — the Czech Republic. The allegations are baseless. It’s merely fake news being put out by the liberal media to malign Mr. Trump and to distract from tomorrow’s press event,” Cohen said, referring to Trump’s news conference.

In a press briefing on Monday, White House Press Secretary Josh Earnest suggested that it is easy to figure out who benefited from the Russian cyber hacking during the election. He went on to say now it is the special responsibility Congress to ta

California Rep. Adam Schiff, the ranking Democrat on the House Intelligence Committee, has called for a joint House-Senate investigation into Russian meddling along the lines of the congressional inquiry following the terror attacks of Sept. 11, 2001. Absent that, he said in an interview last week, the intelligence committees should “explore each and every issue of how Russia has tried to exert its influence” and “follow the facts wherever they go.”

Without referring to the Western intelligence officer’s report, Schiff said he thought the FBI should investigate “any allegation that there was Russian influence in the election of any kind, on any campaign, including their cyber operations, their propagation of fake news, but certainly if there were any kind of financial or other inducements.”

“It’s a great concern to me that that we simply don’t know what financial interests the president-elect has in Russia, and the degree of Russian financial support for Trump’s businesses,” Schiff said.

The intelligence reports describe an extensive Russian effort over at least five years to cultivate Trump by powerful Russian officials and business interests and quotes sources as saying the campaign had Russian President Vladimir Putin’s blessings.

Some of the information in the report is verifiable, and some of it has been widely reported:

▪  Putin replaced one of his top officials rather suddenly, though it was speculated at the time that he was bringing in a younger guard. The 35-page report alleges that Putin displaced several actors in the influence campaign to distance himself from the plot. Sergei Ivanov, a longtime ally who was dismissed in mid-August with little explanation, provided analysis of domestic and international affairs for the president.

▪ It was widely reported that Trump stayed in the Ritz-Carlton during the Miss Universe pageant in Moscow. And Azerbaijan business associate Aras Agalarov, who is named in the report as having knowledge of compromising information about Trump, helped pay for the pageant and had photos made with Trump.

▪ The influence campaign included trips to Russia by former Labor Party candidate Lyndon LaRouche, Green Party presidential candidate Jill Stein and Michael Flynn, Trump’s pick for national security adviser.

▪ The report repeats assertions reported over the summer by Yahoo News that Trump’s Russia adviser Carter Page, a little-known energy investor, had held meetings in July with Igor Sechin, the head of the state oil power Rosneft. Sechin is widely viewed as the second most powerful man in Russia, after Putin, and has ties to Russian intelligence. He is one of the Putin associates under sanction by the U.S. Treasury Department.

Kevin G. Hall, Tim Johnson and Anita Kumar contributed to this article.

Stone is a McClatchy special correspondent.