Oprah Winfrey says she's kinda sorta "sorry" for the fallout that ensued after she told the media about a "racist" encounter at a purse store in Switzerland ... saying, "I'm really sorry that it got blown up." Yeah, right. Oprah addressed the media at the premiere of "The Butler" in L.A. last night -- backpedaling after the shop in question started to refute O's allegations of racism during an incident last month. Last night, Oprah said ... "I think that incident in Switzerland was just an incident in Switzerland. I'm really sorry that it got blown up. I purposefully did...