ARLINGTON, Va. (AP) — President Donald Trump says he's come to the "sacred soil" of Arlington National Cemetery on Memorial Day to honor "the lives and deeds of America's greatest heroes."He told an audience of Cabinet members, military leaders, veterans, families of the fallen and others gathered Tuesday in the marble amphitheater near the Tomb of the Unknown Soldier that all Americans "strive to be worthy" of the sacrifice they made on behalf of a thankful nation.Trump [...]