First lady Michelle Obama launched a nationwide campaign Tuesday to fight childhood obesity, part of her effort to teach America’s children about better nutrition and exercise. Mrs. Obama said the Let’s Move campaign will encourage more physical activity for children, healthier food in schools and more accurate food labeling.

In the ABC interview, Mrs. Obama said she tries every day to instill the same values in her daughters, Malia, 11, and Sasha, 8.

“My kids have to get up and move. They can’t sit in front of the TV,” she said. “I have them involved in sports … to compete and to win and to run and to sweat. They have to understand.”

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