'Trump Country' rejects Trump

NBC News -

NBC News—President Trump promised the GOP would win the Pennsylvania special election because he is so beloved in a district he won by 20 points. That's not how things went.

Trump loses in Trump country. Democrats turned out to lead Conor Lamb to an apparent victory in Pennsylvania's special election, but he couldn't have done it without some GOP votes in spite of the president's personal pleas. Lawrence O'Donnell explains why Republicans should be worried.