Waller ran successfully for the state House of Representatives in the 1967-1968 election cycle, when Democrats swept the Caddo Parish offices. He served in the House during the second administration of [[Governor]] [[John J. McKeithen]]. Voted out was the [[Republican Party|Republican]] state Representative Taylor Walters O'Hearn (1907-1997) of Shreveport, who had served the preceding four-year term from 1964 to 1968. A second Republican representative [[Morley Hudson]] did not seek a second term in 1968. When Waller left the House in 1972, two other Republicans were elected in single-member districts in Caddo Parish, [[B. F. O'Neal, Jr.]], and Arthur William "Art" Sour (1924-2000).<ref name=house/> | Waller ran successfully for the state House of Representatives in the 1967-1968 election cycle, when Democrats swept the Caddo Parish offices. He served in the House during the second administration of [[Governor]] [[John J. McKeithen]]. Voted out was the [[Republican Party|Republican]] state Representative Taylor Walters O'Hearn (1907-1997) of Shreveport, who had served the preceding four-year term from 1964 to 1968. A second Republican representative [[Morley Hudson]] did not seek a second term in 1968. When Waller left the House in 1972, two other Republicans were elected in single-member districts in Caddo Parish, [[B. F. O'Neal, Jr.]], and Arthur William "Art" Sour (1924-2000).<ref name=house/> |