By Doina Chiacu WASHINGTON (Reuters) -The U.S. government issued security guidance for faith-based communities on Wednesday as the country faces a terrorism threat level so elevated it prompted the FBI director to say he sees “blinking lights everywhere.” The Department of Homeland Security (DHS) recommendations are designed to protect against threats amid heightened antisemitism and Islamophobia since the Oct. 7 Hamas attack and subsequent Israeli military retaliation in Gaza. The move comes as the U.S. is recording soaring levels of antisemitism and Islamophobia since the Israel-Hamas war be…