NEW ORLEANS - President Joe Biden visited this grief-stricken city Monday in the aftermath of a terrorist attack that killed people on New Year's Day and injured dozens more, seeking to offer consolation in the aftermath of a mass murder that unfolded at a time and place known for festivity and celebration. Biden and first lady Jill Biden attended an interfaith prayer service hosted by the Archdiocese of New Orleans at the Cathedral-Basilica of Saint Louis.