On his radio program today, Rush Limbaugh dropped a bombshell report that the rumors of Ben Carson dropping out on Monday were actively encouraged by the Rubio campaign. [Listen] CNN reported that Dr. Carson was on his way back to Florida after the Iowa Caucuses. Staffers working for the Cruz campaign reportedly heard the story and began telling caucus-goers Monday night that Dr. Carson planned on dropping out of the race, allegedly attempting to swing voters for Cruz. According to Limbaugh, however, there are reports that the Rubio campaign is just as much to blame for spreading these rumors, trying...