gas prices up 17 cents in just a week. and this could mean higher prices for food, for clothing, and for just about everything else. also, the jailhouse interview with convicted ponzi schemer bernard madoff on this "american morning." good morning to you. thanks so much for being with us. it's monday, february 28th, i'm kiran chetry. >> and i'm ali velshi. new tornado warnings in kentucky. let's go to our severe weather center. rob marciano in atlanta with the latest. >> central kentucky now, we showed you this line of storms earlier. now a couple tornado warnings. one out for an area just south of lexington and garrett and lincoln counties. and a little farther to the west in central time zone until 6:30 local time for several counties there. this is a larger warning out for