August, Lambert's complaint was dismissed by an administrative law judge, and he was ordered to pay Ritter's legal fees. The ruling was overturned by the Court of Appeals, and Ritter eventually admitted the charges against him after his announcement not to run for a second term. 2008 election In 2008, Lambert won a second term in the Colorado House of Representatives. He was opposed by Democratic nominee Chyrese Exline. Lambert's re-election bid was endorsed by the Denver Post, while the Colorado Springs Independent endorsed his opponent. Lambert won re-election with 71 percent of the popular vote. Lambert was also a delegate to the 2008 Republican National Convention in St. Paul, Minnesota, alongside El Paso County Commissioner Wayne Williams and Colorado's Attorney General John Suthers. 2009 legislative session For the 2009 legislative session, Lambert was named to seats on the House State, Veterans, and Military Affairs Committee and the House Finance Committee, where he was the ranking Republican. In August 2009, Lambert was appointed to the Joint Budget Committee to replace departing member Rep. Dan Marostica. 2010 legislative session For the 2010 legislative session, Lambert was on the House Appropriations Committee and the Joint Budget Committee. Lambert produced a bill that focused on establishing an income tax credit for nonpublic education in the state of Colorado. HB10-1295 would have set forth, as a future tax credit, for families who either pay private school tuition or home-school their children. The bill was introduced to the House Finance Committee, where it was postponed indefinitely. Colorado Senate 2010 election In the 2010, Lambert ran for election to the 9th District Senate seat. He ran unopposed in both the primary and the general election, and won a 4-year term to the Colorado Senate. 2011 legislative session Following Lambert's election in 2010, he was elected by the Republican caucus to continue service on the Joint Budget Committee, as well as join the Senate Appropriations Committee. During the 2011 legislative session, Lambert sought to remove unnecessary use of state vehicles for personal commuting with SB11-023, a measure he also ran previously as a representative in the Colorado House. In 2010 when the bill (HB10-1287) was initially run, it successfully made it through both chambers before eventually being vetoed by Governor Bill Ritter. The bill limits the use of state vehicles by private persons for personal business, and would have required an employee to reimburse the state for