Luu Snapped Off
It turns out that other player was Craig Boyd. With 300,000 chips in the pot, Boyd bet 95,000 on the turn of a board that showed . Luu made a large raise of that bet to 420,000. Boyd called to see the river pair queens, . He checked, prompting Luu to shove all in.
The effective bet back to Boyd was his whole stack, 993,000. He thought it over for a moment, then called with , queens and sevens.
"Good call," said Luu. His was nothing but a stone bluff. That pot gave Boyd 3 million chips while knocking Luu back to 1.3 million.