Guest slot from Patrick on the impact of turnout
Do the Tories do best if more people are voting? The chart above shows the actual number of votes cast for all parties from 1979 to 2005 and also the total of votes not cast (the paler blue line) from within the overall electorate each year. For 2010 I have assumed the current state of the polls CON 40%: LAN 28%: LD 19%: OTH 13% (at 75% turnout). Two shapes leap out: 1.The blue Tory and Did Not Vote (DNV)…