Investor Michael Glickstein of G Asset Management, 30, who has been writing letters to the Barnes & Noble board for almost a year asking for a break-up of the company, is trying a new approach. In his newest letter, Bloomberg reported Friday, Glickstein at least theoretically offered to “buy” half of Barnes & Noble College in a spinoff of that division. It’s not clear that G Asset, which appears to be a one-man shop, has available the assets or borrowing power to make such an offer. (G Asset has declared ownership of a modest number of shares of BN stock, […]