Political Photojournalism Michael Bloomberg, American entrepreneur and philanthropist, appears at an Urgent Gun Safety Presidential Forum sponsored by Everytown for Gun Safety, Moms Demand Action, and Students Demand Action at the Iowa Events Center in Des Moines, Iowa.Senator Elizabeth Warren appears at an Urgent Gun Safety Presidential Forum sponsored by Everytown for Gun Safety, Moms Demand Action, and Students Demand Action at the Iowa Events Center in Des Moines, Iowa.Senator Elizabeth Warren appears at an Urgent Gun Safety Presidential Forum sponsored by Everytown for Gun Safety, Moms Demand Action, and Students Demand Action at the Iowa Events Center in Des Moines, Iowa.US Representative Tulsi Gabbard appears at an Urgent Gun Safety Presidential Forum sponsored by Everytown for Gun Safety, Moms Demand Action, and Students Demand Action at the Iowa Events Center in Des Moines, Iowa.Vice President Joe Biden appears at an Urgent Gun Safety Presidential Forum sponsored by Everytown for Gun Safety, Moms Demand Action, and Students Demand Action at the Iowa Events Center in Des Moines, Iowa.Donald Trump, news, electionRick Santorum appears at the Rising Tdie Summit in Cedar Rapids, Iowa, on 12/5/2015Donald Trump with MAGA hat