How the Vice Presidency Has Evolved

The vice president is the second-highest officer in the executive branch. It's typically a role that doesn’t make headlines, but it’s getting attention now as the Republican ticket for the White House shores up and President Biden confronts calls to not seek reelection. Joel Goldstein is an expert on the vice presidency and says it's a job that's evolved and grown in importance in recent years. He joins Soledad O’Brien to explain how the VP pick could influence voters in November.