best known political personalities but was among the sitting MPs to be swept aside by the SNP at a poll which saw the Nationalists claim 56 out of 59 constituencies in Scotland.Kennedy - who died aged just 55 due to complications from alcoholism - is the subject of a new documentary from BBC Alba to be broadcast tonight.The programme makers spoke to several friends and former colleagues of the well-respected Highlander, who led the Lib Dems from 1999-2006.The documentary focuses on Kennedy’s