Play of the Day: Donald Trump's Hat is the Real Star

With the ubiquity of the "Make America Great" headwear, Stephen Colbert has ideas on chapeaus for many candidates.

Surgeon General Vivek Murthy called this week for Americans to utilizing more walking in their fitness routines. The Tonight Show's Jimmy Fallon laughed at the low bar Murthy has set, but figured out why exactly he wants so much walking: The American top doctor is actually a dog.

In addition to leading polls, a recent focus group shows something we all knew about Donald Trump: His "Make America Great Again" hat is the real star of his campaign. Late Show's Stephen Colbert has some suggestions for similar hats for the different candidates, including one that explains Hillary Clinton's email scandal… kind of.