Just over a week ago, Pete Buttigieg had a lead in Democratic convention delegates. Now the former South Bend mayor is out of the race. That's how quickly fortunes can change in presidential politics.

Pete Buttigieg, a little-known mayor of a ... The same dynamic could play out with many of the other candidates in the race. Buttigieg was a Rhodes scholar? So was Cory Booker.

As the race tightens in Michigan, U.S. Transportation Secretary Pete Buttigieg talks about the Harris-Walz team's last push ...