Donald Trump vs. Rand Paul: Insults Fly, Qualifications Questioned As CNN Debate Draws Near

The next Republican presidential primary debate is still four days away, but Donald Trump and Rand Paul are eager to get the brawling off to an early start. Following an interview Saturday in which Paul said the media's obsession with the billionaire front-runner is threatening the national discourse, Trump took to his favorite digital megaphone to blast his former golfing buddy as a "lightweight" senator who is an embarrassment to his constituency.