".....Yuma,Colorado, a farming town of 3,500 people near the Kansas border, celebrated last month as homegrown Republican Cory Gardner was elected to the U.S. Senate. Gardner, a high school football player and the son of a farm equipment dealer, defeated incumbent Democratic Sen. Mark Udall to help the GOP gain control of the Senate in the second-most expensive congressional race of all time.Gardner represented Colorado’s 4th Congressional District for four years, an expansive territory that covers the mostly flat and rural eastern third of the state. Farmers there mostly grow corn to feed cattle, and water comes from the quickly...