Sen. John Thune on the 2024 race, GOP leadership and Ukraine

When John Thune of South Dakota first won his Senate seat 20 years ago, he made history by defeating a party's Senate leader for the first time in more than 50 years. Today, he's a candidate to replace Mitch McConnell as the Senate's top Republican. He joins Amna Nawaz to discuss the 2024 race for the White House, GOP leadership and some of the major issues being considered by Congress.