Charity auction site CharityBuzz is hosting a listing to have coffee with Apple CEO Tim Cook at Apple's Cupertino headquarters (via The Next Web). The proceeds from the auction will benefit the RFK Center for Justice & Human Rights, a fitting charity as Cook said at the D10 conference that Bobby Kennedy was one of his heroes. The high bid on the listing, which closes on May 14th, is currently at $5,250, with an estimated value of $50,000. Legendary investor Warren Buffett routinel