A new Obama campaign ad hits Mitt Romney on a familiar theme — the presumptive GOP nominee’s tenure in private equity and his offshore accounts — but this time appears to make a pointed jab at Romney’s patriotism. …

By featuring footage of Romney singing “America the Beautiful” — and overlaying it with excerpts from news reports on Romney’s Swiss bank account, the sending of jobs overseas by firms related to Bain Capital and Romney’s record as Massachusetts governor. …

The Obama campaign says the spot is expected to air in the swing states of Colorado, Florida, Iowa, North Carolina, New Hampshire, Nevada, Ohio, Pennsylvania and Virginia. It did not, however, release figures on the size of the buy, and an Obama campaign spokesman did not immediately respond to a request for details on the ad campaign.