Launch of shuttle Endeavour and meteorologists expect good weather

NASA picked up the countdown Wednesday to Saturday's planned launch of shuttle Endeavour and meteorologists expect good weather for liftoff.Endeavour and seven astronauts are scheduled to blast off from launch pad 39A at Kennedy Space Center at 7:17 a.m. Saturday on an assembly mission to the International Space Station.The weather forecast calls for a 90-percent chance that conditions will be