on the broadcast tonight, feeling the heat. the head of toyota gets grilled, apologizes, takes responsibility, but is that enough? littleton again. a school shooting three miles from columbine rocks a community that s been there before. this time the story has a hero. flunking out. a high school tired of poor performance fires the entire staff. tonight, the firestorm offer what they ve done. and from the heart, everyone watching last night was asking the same thing, how how did she possibly find the strength for such a spectacular performance? also tonight, a sudden tragedy at a popular tourist stop as parents and children look on. nightly news begins now. captions paid for by nbc-universal television good evening. this was the day the man with the toyota family name, the grandson of the founder of the car company, was to come before congress and face the heat and answer questions, and he did. what he did not do is end this crisis for the automaker. it rolls on wi