A 37-year-old Fort Gratiot man was arrested early yesterday after allegedly pointing a handgun at the bouncers at Tailgators Bar & Grill, 1934 Lapeer Ave., Port Huron.  According to information from The Times Herald Newspaper, Port Huron Police Department say the man was told to leave the bar after becoming disorderly. He then went to his vehicle, got a semi-automatic handgun, cocked it and came back to the bar, pointing the weapon at the bouncers.   He fled after he was told police were on the way. Officers arrested the man at about 12:50 a.m. on charges of felonious assault and possession of a firearm while intoxicated.