"There were obviously other things we needed to do," the Florida senator said this past week in an interview with The Associated Press. "We need the resources to be able to have staff here and be on the air and do the things a campaign requires. But, we were just here a few days ago. We're going to be back a lot more."
Following a return to Iowa next week he'll go to the other three states — New Hampshire, Nevada and South Carolina — that are voting in the initial wave of presidential caucuses and primaries, his campaign advisers said.
Rubio recently hired a state director in Iowa, a position other campaigns have had in place for months, and has booked millions in television ads that will start airing in November.
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