MS NOW

A rough summer for onetime GOP frontrunners

For all of Hillary Clinton's troubles, here's the stark reality: The three men widely considered to be the GOP frontrunners are having an even worse time.

Republican 2016 presidential candidates pose at the start of the first official Republican presidential candidates debate of the 2016 U.S. presidential campaign in Cleveland
Republican 2016 presidential candidates (L-R), U.S. Senator Marco Rubio, Dr. Ben Carson, Wisconsin Governor Scott Walker, businessman Donald Trump, former Florida Governor Jeb Bush and former Arkansas Governor Mike Huckabee, pose together at the start of the first official Republican presidential candidates debate of the 2016 U.S. presidential campaign in Cleveland, Ohio, Aug. 6, 2015.REUTERS

Chuck Todd

Chuck Todd is NBC News' chief political analyst and the former moderator of "Meet The Press."

Carrie Dann