Possible Clues:

• Ambassador stops rioters rioting, he thinks
• Speculator upset Tories, smothering male resistance
• One conjectures it's the part of flight in which nothing occurs
• One who speculates, stirring up riots here
• Speculator using the upswing in gold
• Philosopher arousing others' ire
• Male who's on the up as a speculator
• Endlessly tired horse confused speculator