Put on the spot, a lot of Americans might hesitate over the difference between Medicaid and Medicare. People who aren’t affected by one of these programs, which together enroll about 150 million people in the U.

While Democrats blasted Robert F. Kennedy Jr. for previous comments on vaccines and some Republicans teed him up for stump speeches, Sen. Bill Cassidy of Louisiana mostly stuck

Kennedy made inaccurate claims about Medicare and Medicaid during his confirmation hearing.