Possible Clues:

• Politician's full of gas, it's supposed
• Assumption drawn from article on Circle line
• B.C. rockers ___ of a Deadman
• Speculation, with gold being held by those people
• Plan article on Circle Line
• The Big Bang, e.g
• Article on report, no way speculation
• Proposed explanation of something
• The same old story doing the rounds is pure speculation
• He stops Tory speculation