U.S. Rep. Tom DeLay probably rues the day that Andrew Wheat first laid hands on a spreadsheet. Wheat's research at the liberal think tank Texans for Public Justice informs the political columns he writes for The Texas Observer. His award-winning columns followed the money corporations donated to a political action committee to places it perhaps ought not to have been going. This is the 18th in a "How I Got That Story" series highlighting the AltWeekly Awards' first-place winners.