An email sent to Senate Republican offices and obtained by POLITICO puts Covington & Burling and Perkins Coie on a Capitol Hill blacklist.

The chairman of a prominent law firm who cut a deal with President Donald Trump last week to avert the consequences of a White House executive order has told colleagues that he did so because the order “could easily have destroyed our firm” and put it out of business.

The Justice Department is going after lawyers for “frivolous” litigation against the government with a rarely used procedural tool aimed at punishing extreme behavior by attorneys.