1. Tax letter business leaders gave £2.5m to Tories

Left Foot Forward's Will Straw reveals that many of those who signed this morning's letter supporting Conservative tax policy are donors to the Tory party.

2. The Big Society three-card monte

Hopi Sen says that David Cameron's "Big Society" would divert money away from valuable projects such as the Big Lottery Fund.

3. Howard Dean backs Nick Clegg as next PM

Liberal Democrat Voice reports that the former Democratic Party chairman has endorsed the Lib Dems, praising Clegg as a "young, dynamic" leader.

4. Is speed of rebuttal going to be decisive?

Over at PoliticalBetting, Mike Smithson notes that the speed afforded by modern technology and new hardware such as the BlackBerry has completely altered the pace of this election campaign.

5. He won't be laughing if they win

George Osborne as chancellor? Political Scrapbook offers some amusing multimedia musings on this theme.

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