Trump Keeps Venting About Robert Mueller. Here’s What Congress Might Do

Only President Donald Trump knows for sure if he has decided to fire special counsel Robert Mueller or senior staffers at the U.S. Department of Justice.

But White House aides and members of Congress, responding to the president's angry tweets and to on-the-record statements by his spokespeople, are scrambling to prepare themselves for the possibility, and its fallout.

Asked about fresh investigative steps by U.S.