Larger roping events expected once Arena project completed     ANDREWS – An overall project that will attract larger roping events to the Andrews County Expo Arena requires only one more facet to be completed, according to county officials.      The major part – adding a roof covering on the former outdoor arena – is finished, and on Monday, the commissioners court authorized the county auditor to advertise requests for proposals for constructing a concrete wall at the outdoor arena.      Once the concrete wall goes up, the former outdoor arena will open new opportunities for the ACE Arena, according to Andrews County Judge Charlie ...