August 22nd, 2012
04:49 PM ET
(CNN) – Mitt Romney's stance on class sizes in public schools came under fire Wednesday from President Barack Obama's campaign, which released a television spot featuring parents who say their children benefit from lower student-to-teacher ratios.
The ad, called "Children," will air in Ohio and Virginia on Thursday, the campaign said. Those states are key battlegrounds where Paul Ryan, the Wisconsin congressman running as Romney's vice presidential pick, has campaigned this week.
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