Related Clues:

• Pork chop?
• Say no to, as a bill
• Anti's answer
• Voter's 'no'
• Aye antithesis
• Oval Office power
• A certain thumbs down
• Passing obstruction?
• Challenge to Congress
• Kill bills
• Yea opposer
• Opposi-tion vote
• Line-item item
• One of 37 cast by Bill Clinton
• One not in favor