>>> also, a judy valente story on the thousands of neighborhoods -- urban and rural -- where the residents have no access to food that is fresh. they call them food deserts. >>> and after the solemn high holidays, the exuberant jewish celebration of simchat torah. it's the end of the one-year cycle of reading the torah and the beginning of the next, starting all over. >>> welcome. i'm bob abernethy. it's good to have you with us. >>> president obama and governor mitt romney squared off in their first presidential debate wednesday. earlier in the week, thousands of conservative christians gathered in philadelphia to pray for the future of the country. organizers said the rally was not political, although same-sex marriage and abortion were widely denounced. they also called for 40 days of prayer leading up to the election. >>> meanwhile, this weekend, a conservative christian group is urging pastors to challenge federal law by endorsing political candidates from the pulpit. those who do so risk losing their churches' tax-exempt status. according to a recent survey by the christian polling o