are supportive of taiwan. in beijing, they put out a statement, and they said that basically china's urging the u.s. to strictly abide by these agreements. the joint communiques and the others that have helped create this sustainable relationship. maybe a slip of the tongue or an off the cuff remark, but certainly did raise some questions in this part of the world. >> part of the ambiguity is leaving that question open, as to what the u.s. would do, part of the deterrence against a possible chinese invasion. so that's part of the big picture here. will ripley, good to have you on the ground in taiwan. still ahead, the fbi confirms the remains found at a florida reserve are those of brian laundrie. what we're learning about where the investigation will go from here. plus, the leader of the gang that kidnapped 17 missionaries in haiti now threatening to kill them if he doesn't get his ransom. now the state department is weighing in. and later, what you need to know about a covid vaccine booster and the flu shot. do you need to space the doses