 top Democrats primarily kept their statements focused on Biden and not on Vice President Kamala Harris, whom Biden has endorsed. Top congressional Republicans say Democrats are undermining the will of the voters with Biden dropping out after millions cast primary ballots. House Speaker Mike Johnson said Biden should resign immediately. Democrats in Congress were at the forefront of the pressure campaign for Biden to step down. With the convention just a month away, they now face a complicated path ahead. Barbara Sprint, NPR News.