State Sen. Nathan Johnson speaks from the floor.

Credit: Courtesy Photo / Nathan Johnson for Texas Attorney General State Sen. Nathan Johnson, D-Dallas, on Monday launched the first general election ad of his campaign for Texas attorney general, a seven-figure media buy that will run statewide through Election Day.

The 30-second spot skewers his opponent, state Sen. Mayes Middleton, R-Galveston, for seeking to further politicize the office.