President Biden appeared to suggest Friday that former Rep. Gabby Giffords (D-Ariz.) is either dead or divorced— and no longer his friend — in an apparent gaffe shortly after he told members of a Native American community that there is “nothing wrong with me.” “Thank you to Sen. Mark Kelly, a great friend — who also was married to an incredible woman who was my friend,” the 81-year-old president told the Gila River Indian Community, just south of Phoenix. Kelly, a Democratic senator from Arizona, has been married to Giffords — who is very much alive — since 2007. The...