Faith Abubey reports the latest regarding authorities thwart potential Atlanta airport mass shooting plot, police say; Walmart U.S. President and CEO John Furner joins to talk about a series of new initiatives designed to better serve customers this holiday season; Jeremy Renner talks new season of 'Mayor of Kingstown;' and more on ABC’s Good Morning America. ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world