Donald Trump responds to Biden dropping out of presidential race

“Donald Trump’s response to Joe Biden’s historic decision to bow out of the race tonight: Attack, attack, attack.” Rachel Scott reports how top members of the Republican Party are reacting to the campaign shake-up. ––– Subscribe to ABC News on YouTube: ABC News Digital is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. Download the ABC News app for the latest headlines and alerts: Watch 24/7 coverage of breaking news and live events on ABC News Live: Watch full episodes of World News Tonight with David Muir here: Read ABC News reports online: ABC News is the home to the #1 evening newscast “World News Tonight” with David Muir