Giuliani: Hasn't Endorsed, Not Sure Who'd Be Best Against...

Rudy Giuliani, Giuliani Partners, discusses Mitt Romney's flip-flop on issues, and why he has not yet endorsed the GOP front-runner, saying the vitriolic nature of the campaign is harmful. (CNBC)

MSNBC | February 7, 2012

Tags:. .vitriolic. .whod. .giuliani. .rudy. .endorsed