updated 03/03/2003 AT 01:00 AM EST
•originally published 03/03/2003 AT 01:00 AM EST
Looking back, she says, "I feel really blessed. I'm 40. My husband ['Walking in Memphis' singer-songwriter Marc Cohn, 43, whom she married last July] and I were trying to get pregnant for a few months before we succeeded." Cohn, who has two kids from a previous marriage, shares what he calls his wife's "wide-eyed wonder" at Zack as the three nest in their New York City apartment. Only one thing might curtail their bliss. "I'm praying we don't go to war with Iraq," says Vargas, who is on a 12-week maternity leave. "If we do, I may have to go back to work earlier."