Possible Clues:

• Complicated dispute
• Argue about this to a certain degree at last
• Quarrel noisily
• One might argue that it's only to a certain degree at last
• Be argumentative to a certain degree at last
• Double, you are, in dispute over 13 across
• Dispute produced by Republican in crafty exercise
• Have words
• Some crew rang leader in noisy dispute
• Fiddle involving runs results in angry argument