First it was the summer of Donald Trump. Then it became fall, and now winter, and still Trump sits atop the Republican polls and dominates every news cycle. For his campaign, that constant exposure essentially translates to free money. That's according to a Bloomberg analysis, which found Trump has enjoyed the equivalent of as much as $23.4 million in free media this year from ABC, NBC and CBS alone. Bloomberg arrived at this figure by looking at the total time Trump has spent on those networks and the average cost of a national ad. "There's really no precedent for the...