By THE ASSOCIATED PRESS Filed at 6:42 p.m. ET PITTSBURGH (AP) -- A man says a traffic ticket a state trooper gave him is for the birds -- or at least for flipping the bird. Stephen Corey, 42, filed a federal lawsuit because he says he had a First Amendment right to flip his middle finger at the trooper in July. Trooper Samuel Nassan III gave Corey, a flight attendant from Pittsburgh, a ticket for following another vehicle too closely, then wrote him up for giving ``an improper hand signal while passing my patrol car, namely middle finger up,'' according...