Labour leader Ed Miliband said "we will cross that bridge when we come to it" when asked whether energy prices could go up before being frozen for two years.
That sounds like a yes to me.
Mr Miliband was also asked about his poor personal poll ratings and admitted: "Of course it matters."
"Obviously I see myself as a future Prime Minister," he told Radio 4's Today programme, adding: "You keep your eyes on the prize".
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