I sing in a choir ampicillin 500mg cap price CBS' viewership is up 7 percent this year to 6.4 million people per episode, Nielsen said. CBS is down 2 percent, however, among that 25-to-54-year-old demographic. That indicates "CBS Evening News" is winning back many traditional viewers â? the people who once watched Walter Cronkite, not just read about him â? more than gaining new ones.