5 things to know for April 30: Astronauts honored, interest rates, Iran war, gun control, visa applicants

By Alexandra Banner, CNN Across major US cities, some intersections are becoming impromptu arenas as street takeovers turn public roads into a dangerous spectacle. In Las Vegas, police recently arrested more than 70 people in a sweeping crackdown on the illegal activity. Here’s what else you need to know to get up to speed and