By Ben Kamisar
Republican presidential front-runner Donald TrumpDonald TrumpDem Suozzi wins NY primary to replace Israel Dems separated by 29 votes in NY House primary Sanders-backed candidate wins NY House primary MORE thinks there's not much he could possibly do to erode his support.
Lauding his fans' loyalty at a campaign event in Sioux Center, Iowa, on Saturday, Trump said he could kill people and still be popular.
Trump made the comments as he laid into National Review, the conservative magazine that published a series of essays criticizing him. Those who submitted essays against Trump include Glenn Beck and Brent Bozell, two conservative figures who endorsed GOP presidential rival Ted Cruz.