This PoliticsHome derived chart pretty much sums up the political pain / pleasure calculus for the parties tonight. Given only some 4,000 seats are up for grabs, rather than the 10,000 seats last time, it would be be extraordinary to see a 200 seat move. If the LibDems keep their losses low they will have done well. If Labour loses seats to below the level of Blair’s Warmongering low that literally decimated Labour last time (and paved the way for Brown to “save the party”) the recriminations will flow like Tory champagne…