Enter Tim Walz, school book bans, and campaign ads on Iowa airwaves

Laura Belin and Spencer Dirks cover Iowa reaction to Vice President Kamala Harris selecting Minnesota Governor Tim Walz as her running mate. Other topics discussed: recent developments in federal lawsuits challenging two state laws, tv ads for candidates in Iowa's first and third Congressional districts, Republican efforts to knock Libertarian candidates off the ballot, state waivers for hazardous work for teens, resources available to trans kids, Olympic athletes with Iowa ties, and J.D. Scholten's cap headed to Cooperstown.