some of the republican fund-raisers to help them go back to states like nevada and elsewhere, new hampshire to try to beat the democrats they're fighting very hard. a lot of races neck and neck to try to unseat democrats or replace democratic seats in the senate, fredericka. >> all right. right at the edge of our seats on all of these runs come november. thanks so much, dana bash, appreciate that. of course, we'll have the next political up dmat an hour and a reminder for all the political news, go to cnnpolitics.com. all right. time to head cross country. first to gainesville, florida. police there say a 24-year-old man went on a shooting spree killinging his father wounding five others before killing himself. authorities say he had a history of mental problems. next up, los angeles where the school system is considering using a finger scan system to speed up cafe checkout lines. a pilot program is already being tried in one school. the aclu and some parents say