Related Clues:

• Senate figure
• Senate official
• Beat bigtime
• Defeat, slangily
• Senate party VIP
• It's most useful when it's cracked
• Party enforcer
• Lion tamer's prop
• Smartness exemplar
• Cat-o'-nine-tails
• Lion tamer's need
• Congressional party chief
• Lion tamer's handful
• __ into shape (train)
• What it takes, in an inclusive idiom