Possible Clues:

• Hawk using gas to quell pacifist
• Once on train with American hawk
• Someone advocating a new form of democratic capitalism
• Traditionalist's recommendations dashed midstream -- surprisingly rejected
• One going right after the sixties
• Term for a liberal who has moved to the right
• Informal American name for one supporting democratic capitalism
• One who's moved from left to right
• Converted lib, maybe
• Politician from Newcastle area with old trick