WASHINGTON (RNS) — A slate of political, military and religious leaders is scheduled to participate in a major faith-themed event on the National Mall next month, where members of President Donald Trump’s Cabinet, musical guests and a list of mostly conservative Christian speakers plan to lead participants in “solemnly rededicating our country as One Nation under God.” The event , titled “Rededicate 250: A National Jubilee Of Prayer, Praise & Thanksgiving,” is part of a series of events and initiatives designed to celebrate the 250th anniversary of the signing of the Declaration of Independence.…