A wall mural of former President Richard Nixon in the lobby area of the Richard Nixon Presidential Library and Museum in Yorba Linda, Calif. Jae C. Hong AP
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Opposition is so intense that some public officials “feel they are empowered to break the law” in throwing up roadblocks to Trump policies, Gingrich said.

“Trump promised to drain the swamp, and the alligators are fighting back,” he added.

The concept of a shadowy network of high-ranking officials who secretly conspire to direct government policy is more used often to describe countries like Egypt and Turkey than the United States and officials who’ve worked in the Middle East question the comparison. They point out that Turkey and Egypt simply don’t have the strong civilian institutions and well-developed faith in the rule of law that are present in the United States.

“There just aren’t the levers there for Trump, whatever he intends, to pull to create a deep state or, conversely, for someone to pull to create a deep state against him,” said Ryan Crocker, who served as U.S. ambassador in a broad range of countries where the deep state is often discussed, including Afghanistan, Iraq, Pakistan and Syria.

While he said he didn’t support leaking, Crocker noted that leaks historically have emerged as a way for bureaucrats to raise concerns and are among the U.S. system’s checks and balances.

Trump’s belief that there are forces out to get him and what some consider his obsession with those he sees as enemies align him more closely with Nixon than supporters such as Gingrich will acknowledge.

Never forget, the press is the enemy, the press is the enemy.

Former President Richard Nixon

While Nixon rarely took them on in public, he would curse reporters in private, according to historian Robert Dallek, who has written about John F. Kennedy and Lyndon B. Johnson as well as Nixon.

“He couldn’t stand to be seen as, as Trump puts it, a loser,” Dallek said.

Soon after Trump’s tweet about Obama, wiretapping and Nixon, Google searches about Watergate surged, and Kamarck decided to look though some of her old files from when she was a graduate student.

She came across a book of news articles about Nixon. Several stories, she said, could have just as easily described Trump.

In one 1974 story, New York Times reporter Alden Whitman described Nixon as “a loner, certain of the loyalty of very few men. He could be vindictive against those he saw as his special enemies.”

That could almost have been taken from Trump’s relations with the news media. Amid ongoing questioning about Russia, Trump has carried on a public feud with reporters, including their exclusion last month from an informal White House news briefing, and he denounced journalists as “enemies of the American people” the day after a contentious 77-minute White House news conference.

“These could all be innocent contacts that don’t amount to anything,” Kamarck said about the Russia revelations, “but what is so weird about this is Trump is doing everything possible to make himself look guilty.”