 After a redistricting process in which Tonko's district was renumbered as the 20th district, Tonko defeated Bob Dieterich in 2012, Jim Fischer in 2014, and Joe Vitollo in 2016 and 2018.Tonko was one of the 19 most liberal House members, according to the "National Journal", for 2011.When he entered Congress, Tonko said he wanted to focus on the issue he said he knows best – energy policy.