 Dotzler was re-elected in 2010 with 10,459 votes (59%), defeating Republican opponent Ron Welper.More recently Dotzler has gone on record opposing the construction of new nuclear power plants in Iowa citing cost and safety concerns.Dotzler currently serves on several committees in the Iowa Senate - the Appropriations committee; the Economic Growth committee; the Human Resources committee; the Labor and Business Relations committee; and the Ways and Means committee.