The clock on The Late Show with Stephen Colbert is ticking, but it's still going. Stephen Colbert doesn't let up on his jokes ...

However, for the "Late Show," Colbert came at the presidential candidate straight, asking him about his plans for the country and how he differs politically from his brother George W. Bush.

CBS announced on July 17 that "The Late Show with Stephen Colbert" is being cancelled and "The Late Show" will come to an end ...