EDINBURGH, SCOTLAND - APRIL 21: Scottish Liberal Democrat leader Willie Rennie, Jo Swinson and candidate Mike Crockart meet five month old Martha Milne, as they launch the Scottish Liberal Democrat manifesto on April 21, 2015 in South Queensferry, Scotland. Outlined in the manifest is a pledge to cut tax, balance the budget within three years and guarantee education funding from nursery to college. (Photo by Jeff J Mitchell/Getty Images)
