Studio City mansion

Kara Dioguardi, of American Idol, Trades LA Mansion for Maine (photos)

Kara Dioguardi, the sexy songwriter who scored a bundle as a judge on “American Idol,” got a welcome Christmas present. She unloaded her Studio City mansion for $6.3 million and appears lucky enough to have broken even or made a slight profit. The Los Angeles real estate market is still hit or miss four years after the financial crisis and real estate bust....