norah. o donnell: imtiaz, thank you. now to politics and the sixth and final debate of this year, democrats sparred over wealthy donors and wine caves, and the narrow field aimed their fire at a new target. ed o keefe is in marina delray, california. reporter: the morning after cing attacks from rivals at the debate, mayor pete buttigeig found a friendlier audience. te that was great last night. reporter: buttigieg was blasted by senator elizabeth warren for holding high-dollar fundraisers at venues like a california wine cellar with chandeliers full of swarovski ulystals. billionaires in wine caves should not pick the next senator toesident of the united states. reporter: senator amy klobuchar questioned his experience. we should have someone heading up this ticket that has actually won and been able to show they port that you talk saboucat.upn ga reperorter: t they re going r buttigieg because he s leading il iowa and surging in new ngmpshire while warren is stipping a