CLEVELAND — President Donald Trump billed his trip to Ohio Thursday as a chance to promote economic recovery, but he quickly pivoted to a deeply personal attack on Joe Biden, even questioning without foundation the former vice president’s faith in God. Even for a president known for his blunt criticism, Trump’s remarks stood out and they signaled how contentious the campaign may get over the coming months. “He’s following the radical left agenda, take away your guns, destroy your Second Amendment, no religion, no anything, hurt the Bible, hurt God.