AUSTIN — Rep. Larry Evans died Aug. 7, 1991, but later that day the Houston Democrat was recorded as voting three times on the Texas House floor. Presumably, colleagues pushed the vote buttons on his desk. At the time, House Speaker Gib Lewis called the incident embarrassing and urged lawmakers to "strictly observe proper parliamentary procedures in order to ... (assure) our constituents that their representatives are in fact representing them." "It's hard to ride herd on 149 members of the House when you have to trust them and their integrity at the same time," Lewis said. If a movement...