HOUSTON — A spray of flowers covered the closed silver casket of former first lady Barbara Bush in the sanctuary of a Houston church as hundreds of mourners began arriving Friday to pay their final respects. People waited in line hours early for security screening before boarding shuttle buses to attend a public viewing at St. Martin’s Episcopal Church in Houston, where Bush and her husband, former President George H.W. Bush, regularly attended services. Lucy Orlando was one of the more than 100 people in line 90 minutes before bus service began, travelling from Weston, Florida, to pay her respects. Originally from Haiti, the 74-year-old Orlando said has admired Barbara Bush for many years, including her work in promoting literacy. “She was a very sweet lady and she loves people,” said Orlando, who was carrying a gray suitcase containing framed photos of the couple and members of their family, including former Florida Gov. Jeb Bush and former President George W. Bush and his wife, Laura. Varney Johnson, a 49-year-old social worker originally from Liberia, said he also came to honor the former first lady’s work in supporting literacy efforts, saying: ̶...