good morning, america, on this monday, march 1st. i m robin roberts. and i m george stephanopoulos. this morning, pictures of the 8.8 quake in chile. looting breaks out in cities at the epicenter. meanwhile, back here, democrats push for health care reform, pressing on without republicans. and police make an overnight arrest in the disappearance of this teenager. was chelsea king targeted as she jogged through this park? and look at this amazing video caught on tip. as the police officer pushes the stranded driver from a runaway car. all of us are reacting to that video. thankfully, the police officer is recovering from his injuries, but the presence of minds to what a hero, so amazing caught on tape. there s so much to get to. we have stunning new video out of chile what the quake was 500 times more than powerful than the one that hit stay. 700 killed so far. more than 100 aftershocks. the magnitude of 6.9. that s an aftershock. we re going to take you insid