Graham–Cassidy was also co-sponsored by the Senator who was elected to the open seat in Nevada in what year?
Dean Heller Dean Arthur Heller (born May 10, 1960) is the senior United States Senator from Nevada and a member of the Republican Party. He was elected in Nevada to that state's open U.S. Senate seat in 2012.
H. L. Richardson Hubert Leon "Bill" Richardson (born December 28, 1927) founded Gun Owners of America (GOA) in 1975 and served as a California state senator from 1966–89. He served as the state senate's Republican Caucus Chair for several of these years. He was the unsuccessful Republican candidate for the United States Senate in 1974, having been defeated by incumbent Alan Cranston. He ran for Congress in 1962, and again in 1992, having lost 51-40 percent to the Democrat Vic Fazio, member of the United States House of Representatives from California's 3rd congressional district.