According to Mark Walsh, he recently doubled up when he turned two pair. A player had raised in earlier position and Walsh defended with king-queen. The flop was king high rainbow. Walsh be 2,500, and his opponent raised all in for 7,800. Walsh tank called and was up against Ace-king. Fortunately for him, he turned a queen for two pair, eliminating his opponent from play.
Walsh is now sitting with 55,000 in chips and one of the bigger stacks in the room.