Possible Clues:

• Bridge call in which no suit is given preference
• Type of contract US Democrats would appreciate?
• Call made at the table -- T-bone or fillet perhaps?
• Call from the US electorate?
• Run to corrupt politician making bid
• Anything but bottom, high bid
• Call from player, far from seat
• After turn of century, end possible contract
• Special bid made by Parliament after turn of century
• Top call, not bottom