The fight for second place in the GOP presidential race is heading up between Sen. Marco Rubio and Sen. Ted Cruz, ahead of the Nevada Caucuses
The fight for second place in the GOP presidential race is heading up between Sen. Marco Rubio and Sen. Ted Cruz, ahead of the Nevada Caucuses. The Cruz campaign fired a key aide for releasing a false video of Sen. Rubio. TIME Magazine political reporter Zeke Miller joins CBSN with more.
