A nonprofit children's advocacy group has launched an ad buy against Sen. David VitterDavid VitterPoll: Republican holds 14-point lead in Louisiana Senate runoff Louisiana dishes last serving of political gumbo Trump tweets about flag burning, setting off a battle MORE (R-La.) hitting him for not supporting the current health care proposals in Congress.

The group, Vote Kids, notes that Vitter has received more than $1 million from the health care and insurance industry and urges him to put children first.

"Call Sen. Vitter and tell him to look our for our children -- not the health insurance industry," the ad says.

The ad buy is $36,000. Vitter is likely to face Rep. Charlie Melancon (D-La.) in what could be one of the top Senate races next year.