Atlantis now headed for space station (AP)

CAPE CANAVERAL, Fla. - After two frustrating weeks of delays, space shuttle Atlantis and its six astronauts blasted off Saturday on a mission to resume construction of the international space station for the first time since the Columbia disaster 3 1/2 years ago. The shuttle rose from its seaside launch pad through a partly cloudy sky at 11:15 a.m. "By our count, it has been almost four years, two return to flight missions, a tremendous amount of work by thousands of individuals," said Brent Jett ...