reconnaissance plane. during a security summit overseas, defense secretary lloyd austin saying the u.s. will not be bullied. we have late reporting from washington. the race for 2024 heating up. most top republican candidates minus donald trump descend on iowa, mingling with voters, trying to stand out as more gop hopefuls prepare to announce a run. rachel scott in des moines. the president signs the debt ceiling deal two days before the country could have faced its first of a kind default. what it means for the average american, and why the u.s. credit rating could still be downgraded. elizabeth schulze at the white house. the search for answers in two serious building collapses. what witnesses say about the connecticut structure that caved in sending workers 30 feet into the basement. and the newly uncovered 911 call in iowa describing a bulging wall the day before the collapse. a weekend washout for millions. remnants of a tropical system bring torrential rains to florida,
sight when swimming next to others. chris: i was not aware of white dolphins. dion: no, no, i m no dolphin expert either. [laughter] i would love to go on a whale or a dolphin chris: dolphin watching yucca dion: yeah! chris: tonight, breaking news as we come on the air. a dangerous close call at sea. according to a new report out of canada, a chinese war ship seen nearly hitting a u.s. destroyer near taiwan. the video appears to show the war ship coming within 150 yards of the american vessel. it happened during a rare u.s./canadian joint mission sailing through the taiwan strait, the latest in provocative moves by the chinese military, and days after a chinese fighter jet came close to a u.s.