Possible Clues:

• 48-card game
• 40-point meld
• Trick-taking game with a forty-eight-card deck
• American card game
• Game with royal marriages
• Disgraced ex-president loses temper at first, having lost in card game
• Game played with a 48-card deck
• Trick-taking game with a 48-card deck
• Card game
• Double-decker?