breaking news this morning. police searching for the terrorists behind a deadly bomb blast in bangkok. at least 22 dead. more than 100 injured. we're live with who investigators are now zeroing in on. hundreds of hillary clinton's e-mails have the secretary of state flagged for possibly containing classified information. what we're learning new this morning. donald trump's new immigration plan dividing republicans running for president. should birth right citizenship end? what the candidates are saying. welcome back to "early start." i'm christine romans. breaking news in thailand. police have a suspect in monday's deadly bomb attack in bangkok. officials on the hunt for this man. he's seen on closed circuit tv but official alzheimer's cannot c -- officials cannot confirm his identity. he's seen with jeans, a backpack. it's going back two weeks prior to the attack to see if they