January 18, 2006 -- WALTER Cronkite looks like he's getting married to his new girlfriend, Joanna Simon, a New York City realtor and singer Carly Simon's big sister. "We are keeping company, as the old phrase used to be," Cronkite told a reporter yesterday. "I'm not making any moves immediately. I don't think it's proper. "My wife has only been gone less than a year. I'll wait until that year has passed, at least," he said. Cronkite, 89, lives in the same building as Simon, 65, a real estate broker who is also a mezzo-soprano opera singer. Mary Elizabeth "Betsy"...
