Hillary Clinton is planning a massive television ad buy during the Olympics, on the heels of accepting the Democratic nomination for president next week in Philadelphia. Hillary for America has reserved time for a high seven-figure national network and cable advertising campaign during the Summer Olympics, which begin August 5, according to a senior campaign official. The aide said it's an effort to meet voters where they are and run a national campaign. Donald Trump has yet to air a television ad for the general election. Get breaking news alerts and more from Roll Call on your iPhone or your Android.