Scottish Readies for Referendum on Independence

Britain's former Prime Minister Gordon Brown speaks at a campaign event in favour of the union in Clydebank, Scotland, Sept. 16, 2014.

Britain's Prime Minister David Cameron gestures as he delivers a speech at the Aberdeen Exhibition and Conference Centre in Aberdeen, Scotland, Sept. 15, 2014.

"Better Together" campaigners work to promote a united Britain, opposing Scotland's independence, in Leith, Edinburgh, Scotland, Sept. 16, 2014. (Marianne Brown/VOA)

Vandals write on posters that proclaim support for Scotland's Independence near a block of flats in Leith, Edinburgh, Scotland, Sept. 16, 2014. (Marianne Brown/VOA)

Placards showing "Yes" and "No" are displayed on moorland on the Isle of Lewis, in the Outer Hebrides of Scotland, Sept. 14, 2014.

Scotland's First Minister Alex Salmond holds a T-shirt promoting a concert being held in support of a "Yes" vote, in Edinburgh, Scotland, Sept. 14, 2014.

Alistair Darling, the leader of the campaign to keep Scotland part of the United Kingdom, waits before a meeting in Edinburgh, Scotland, Sept. 14, 2014.

A postal vote for the Scottish Independence Referendum is dropped into a letter box in Moulin, Scotland, Sept. 12, 2014.