State Rep. Mark Shelton, R-Fort Worth, highlights his ties to Fort Worth and work as a pediatrician in a new television ad. The 30-second spot features Shelton's mother and high school band teacher and contrasts with the campaign's earlier ads that focused on criticizing his SD-10 opponent, Sen. Wendy Davis, D-Fort Worth. 

The ad will start airing on broadcast networks in North Texas starting Wednesday, according to his campaign. 

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