Thanedar is not the only Democrat who has signaled impeachment efforts against Trump. But his decision to go it almost alone, without backing from party leadership, comes as he faces his own political challenges at home, with several primary opponents looking to unseat him in his Detroit-area congressional district.

Tuesday joined Democrats in pushing back against President Donald Trump's effort to install his own leadership team at the Library of Congress, which is part of the legislative branch. Trump fired Librarian of Congress Carla Hayden last week and Shira Perlmutter,

The president sought to cast the transaction as a win for U.S. taxpayers amid mounting criticism from his allies.

Donald Trump wasn't looking to divide the GOP again, but his plan to accept a superluxury jumbo jet from his friends in Qatar has split Republicans.