Groundhog Day is here, and Punxsutawney Phil will soon emerge from his burrow to declare whether he's seen his shadow.  Thousands of people gather at Gobbler's Knob every year on Feb. 2 to watch Phil make his big prediction. The tradition, which dates back to 1887, draws crowds out to the small town of Punxsutawney, about 80 miles from Pittsburgh.   When does Punxsutawney Phil come out?  The festivities start streaming live from Gobbler's Knob on Monday, Feb. 2, at 6 a.m. Once it starts, you