Trump should 'take stock' and 'own' election outcome, Sen. Tillis says

What happened: Republican Sen. Thom Tillis of North Carolina discusses his new book, "How to Lose Friends and Antagonize Presidents," warning that GOP lawmakers are afraid to challenge President Trump and that Congress is surrendering its power. Why it matters: Tillis says some of the president's closest advisers are leading him toward failure, and he urges Trump to "take stock" and "own" the election outcome.

Republican Sen. Thom Tillis of North Carolina discusses his new book, "How to Lose Friends and Antagonize Presidents," warning that GOP lawmakers are afraid to challenge President Trump and that Congress is surrendering its power.

Tillis says some of the president's closest advisers are leading him toward failure, and he urges Trump to "take stock" and "own" the election outcome.