Possible Clues:

• Found, in a way, point of no return passed
• Formed from a mold
• Like many toy trucks
• Shape metal as the Rubicon crossed?
• Made in the mould of a Conservative rising at beginning of speech in parliament
• Leader of Conservatives, when in Parliament, got into a mould
• Eating less, perhaps, accountant's to get in shape
• Shut down company to get things into shape?
• Stop actors cut from the same mould?
• Chaps regularly tucked into food made from mould