If Houston Police Chief Art Acevedo has anything to say about it, his officers will shine at the head of the city's Pride Parade. The department's new "Pride Car" is ready to go. It's gassed up. Rainbow decals gleam from every side, saluting Houston's lesbian, gay, bisexual and transgender community. Acevedo plans to be front and center Saturday and he's strongly encouraged his top leadership to join him in the march. "By actually participating ... we send a very powerful message that we're an inclusive department," he said, "where every segment of society is welcome, is respected, and will be...