Rubio is the most popular among Hispanics planning to vote in the Republican primary. He also picked up the largest chunk of support from those who at first said they backed Jeb Bush, and is also the most popular second choice of the voting group.
Combined, that suggests a fairly dominant level of support for the Florida senator.
As is the case in other polls, Donald Trump’s support is fervent but not very deep. He is the second choice of only 6 percent of voters.
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