patient s stretcher. it has two cameras attached to it. it has a camera that sort of hovers over above on a swing arm, and that is a high definition rotating 360 degree camera that has tremendous zoom capabilities. and the other camera is on a retractible pen light. reporter: a digital stethoscope on board along with noise canceling head phones allows the doctors and staff to hear heartbeats and sounds quickly. we believe this transport av system will save lives with its ability to speed up critical care that we re able to provide for those patients. reporter: gary tuchman, cnn. let s stake it to the white house. the stakeout with our senior white house correspondent ed henry has got interesting stuff. first, i want to see if there s more fallout from yesterday s decision not yesterday s decision, but yesterday s press conference about the deal between the white house and congressional republicans about tax cuts and unemployment benefits. you know, yesterday, ed, we were