The historian related Attorney General William Barr to former Attorney General John Mitchell, who left the Justice Department to work on Nixon's re-election campaign.
"It led to mass murder, it led to dictatorship, it led to genocide," ex-Nixon speechwriter Ben Stein said.
A Watergate prosecutor suggested that Trump could possibly be in more trouble than Nixon.
"He admitted obstruction of justice to Lester Holt. He admitted obstruction to the Russian foreign minister."
"There's no question that his acts are egregious," former Congresswoman Elizabeth Holtzman said of Trump.
Two people familiar with the situation said discussions about Cox's portfolio are ongoing but the hiring is not yet official.
The veteran investigative reporter warned he had "literally hundreds of hours of tapes."
"The cover-up is always worse than the crime, and this one is very shady," the Watergate lawyer said.
The former secretary of state likened the current era to the start of World War II.
New York gubernatorial candidate Cynthia Nixon ripped into the Immigration and Customs Enforcement Agency, which she has said should be disbanded.
Think of a simple scenario. The president is asked to pardon a criminal and is given a bribe to induce the act.
"I think it's significant that Trump does this badly," assistant director of the Quinnipiac University Poll Tim Malloy told Newsweek.
A 2007 biography of Billy Graham explores his love for people and leadership.
Graham's instincts for what was moral and Christian usually led him to favor political centrists.
Representative Adam Schiff condemned Trump's alleged attempt to get rid of the special counsel.
The 1974 book tells the story of the Watergate scandal, and some readers are finding it newly relevant.
Before the state of Washington existed, the governor of the territory granted himself a pardon to avoid punishment for contempt of court.
Only one in three American voters are authoritarians. But that was enough to elect Trump.
Trump has made the same mistake Nixon did: he is not represented by competent counsel.