DAVENPORT, Iowa. (Tribune News Service) — Gov. Christie’s presidential campaign hit the airwaves with its second television ad Friday, in which the Republican accuses President Obama of "lying to the American people" about how the accord limiting Iran’s nuclear program would work. Christie continued that line of attack at a town-hall-style meeting here at the Jersey Grille, telling voters the president had deceived the public about the international community’s ability to inspect Iran’s nuclear facilities "anytime, anywhere." The ad,…