The Red Queen has a deal. Louise T. Blouin, who owns BlouinArtinfo, Art + Auction and Modern Painters, has finally sold off her 4,551-square-foot West Village penthouse apartment. She pocketed $23.7 million for the spacious pad, according to spokesperson Melanie A. Bonvicino. Anne Prosser of Halstead-Douglas Elliman, represented Blouin in the sale, which once had...