Jimmy Carter turns 100

GMA celebrates the former president turning 100 years old and becoming the first president to reach the milestone. 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, Good Morning America, 20, 20, Nightline, This Week with George Stephanopoulos, ABC News Live Prime with Linsey Davi