HOUSTON : This Saturday, April 21, 2018, photo provided by the Office of former U.S. President George H.W. Bush, shows Bush, front center, and past presidents and first ladies Laura Bush, from left, George W. Bush, Bill Clinton, Hillary Clinton, Barack Obama, Michelle Obama and Melania Trump in a group photo at the funeral service for first lady Barbara Bush, in Houston. Barbara Bush died Tuesday, April 17. She was 92. (AP/PTI)