U.S. returns to standard time on Sunday (AP)

WASHINGTON - Autumn's chill is in the air, and little ghosts and goblins are preparing to play trick-or-treat. It must be time to set the clocks back. Officially we will fall back to standard time at 2 a.m. Sunday, though most folks will change their clocks Saturday night. This is the last time the change will come in October. Thanks to a law passed last year, daylight-saving time will start earlier and end later beginning in 2007. It will last from the second Sunday in March to the first Sunday ...