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Joe Arpaio

Donald Trump helps rally Iowa's Latinos — mostly to caucus against him

Latino organizers sensed an opportunity when they heard Donald Trump was bringing his presidential campaign to Marshalltown, a small farm city that is home to an increasing number of Latino immigrants and their children.

So they organized protests at the high school gymnasium where Trump spoke Tuesday, with about 50 young Latinos marching silently outside as a smattering of Trump supporters hurled insults and laughed at them.

But the protest was only the beginning. Down the street, advocates held a drive to register voters and educate immigrants on the complexities of next week's Iowa caucuses, the kickoff for the presidential nominating process.

"We want to turn...