Alaska Gov. Sarah Palin gave birth to a baby boy early Friday, becoming the second U.S. governor to have a baby while serving in office. Palin's labour began Thursday, about a month early, while she was attending a Republican Governors' Association meeting in Grapevine, Texas, said spokeswoman Sharon Leighow. Palin, 44, the first woman to serve as Alaska governor, delivered a keynote luncheon address on Alaska energy issues Thursday before flying back to Anchorage and delivering the baby Friday morning, exactly a month before her due date, Leighow said. The baby, named Trig Paxson Van Palin, is the fifth child...