Bidens bounce. The new democratic frontrunner picks up another big endorsement after rival Mike Bloomberg calls it quits. Will Elizabeth Warren leave the race next . Urgent search for survivors. Rescue crews on the ground right now after an ef3 and ef4 ripped through tennessee. How theyre using infrared technology to find those still missing. Royal return. Meghan now back in the uk for the First Time Since the royal exit preparing to reunite with harry and the queen. Abc news exclusive. The couple risking it all over the mouth of hell. Nik wallendas wife hanging by her teeth over the active masaya volcano. Then nik making history, he joins us live. And taking on the odds. If we take it just one day at a time with a positive attitude, anything is possible. Alex trebek opening up about facing pancreatic cancer on the oneyear mark of his diagnosis. How his wife jean, his faith, and all of you are keeping alex strong. And good morning, america. Hope you are all well this thursday morning.