wongs propose to have schools required to carry epi-pens to treat any students with that emergency. >> 20% of times it's undiagnosed food allergy in school. >> reporter: hamm is lobbying congress to pass the epi-pen legislation one way he is urging people to take food allergies seriously. >> get your child checked. you will never get over this. >> reporter: sharon chin, cbs 5. >> there is a fundraising walk in san jose this weekend to promote awareness of food allergies. we have details on cbssf.com. just click on "newslinks." >>> in our next half hour, california still very much blue. but mitt romney is cutting into president obama's lead. how much the race is tightened here since the first presidential debate. >> and this halloween why a bay area city is cancelling a popular community tradition. ,,,,,, at the guaranteed's lowest price.attresses plus, pay no interest for 3 years on the best brand-name mattress sets. get your best rest ever from sleep train. ♪ your ticket to a better night's sleep ♪ "1 >> your realtime captioner: linda marie macdonald. >>> now at 6:30, mitt romney has