February 22, 2019 6:24 pm De Blasio Heading to Iowa As He Weighs White House Run Mayor de Blasio is heading to Iowa as speculation mounts about his presidential ambitions. Melissa Russo reports. Local 5:34 VIDEO: Columbia University protesters takeover Hamilton Hall 3:01 I-Team: NYPD officers testify in surveillance video controversy 1:59 2 suspects charged with murder in Long Island body parts case 2:35 Extra NYPD patrols in Central Park after series of violent crimes 3:01 Columbia begins suspending students after protesters defy deadline