Current and former residents of Sandhill and Texas Alley take a lot of pride in their neighborhoods as evidenced by the more than 500 people expected to attend a reunion celebration Saturday. Sandhill and Texas Alley are two of the city's historic black neighborhoods located off Washington Street and residents have been working for months to organize a reunion from 11 a.m. to 7 p.m. Saturday at the corner of Walnut and West streets. The event is open to the public and will include bounce houses, horse rides, board games, card games, Bingo, softball games, a fire truck on display and plenty of