Warren ChisumWarren D. Chisum is an American politician who served in the Texas House of Representatives from 1989 to 2013.Legislative careerChisum started his political career as a Democrat, but he party switched to the Republican Party on June 26, 1995 during the 74th Texas legislature.Personal lifeChisum was born in Miami, Texas and was raised in Pampa. He graduated from Lefors High School in 1957. He has two children with his wife Omega and is a Baptist.