When it was first announced back in November, the Marriott/Starwood merger seemed like a foregone conclusion. However, a surprise bid from Chinese insurer Anbang may make the merger a little messier, especially coming up on the March 17 expiration of a “no-shop” clause that prevents Starwood from negotiating with competing bidders, and, more importantly, March 28, when shareholders are to vote on the merger. Read more here.