Andrea Leadsom has been named by one of Britain's foremost political magazines, the Spectator, as their "newcomer of the year".
She's certainly been causing trouble for the Prime Minister: voting against him on Europe and drawing up a plan on how he should repatriate powers from Europe.
But she's also made a name for herself challenging the way London's banks have been working - saying there are too few banks which are very powerful. The former banker reveals how she thinks banking should be cleaned up.
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