Possible Clues:

• Better time with ale or a rum
• Better order meal before I make a speech
• Prophet introduces himself, having to speak better
• Make better meal or I eat out
• Improve one's speech after cooked meal
• America's finest take gold - a change for the better
• To improve morale, I eat tripe
• Improve Fielding's novel - shortly nothing to criticise
• Girl takes note about gold being better
• Become better American by reversing oil and energy price