Possible Clues:

• One with backbone investing billions in green energy tax
• Animal with a backbone
• Waving brevet, charge, having backbone!
• Minister retires a better boss or a beastly type with backbone?
• Speculate minister will overturn tariff of fish or lamb but not squid or snail
• Showing backbone, lay vicar raised fee
• Steadfast churchman redirected scamp in casualwear
• Extremely short child in part of course, like some classes in biology
• Feel sure minister rejected charge — he's not spineless
• One with backbone gets nearly every batter out