Former Presidents George H.W. Bush and George W. Bush greet mourners after a funeral service for former first lady Barbara Bush at St. Martin’s Episcopal Church, Saturday, April 21, 2018, in Houst …

Former Presidents George H.W. Bush and George W. Bush greet mourners after a funeral service for former first lady Barbara Bush at St. Martin’s Episcopal Church, Saturday, April 21, 2018, in Houston. (AP Photo/David J. Phillip , Pool)