Just weeks before the London mayoral election, almost one in three Labour supporters are refusing to back Ken Livingstone, notes Atul Hatwal at Labour Uncut.
Coffee House's Jonathan Jones looks at what the first post-Budget poll tells us about public opinion.
The Telegraph's James Kirkup notes that an online petition has been launched urging Osborne to reverse his changes to age-related allowances.
4. Bradford Calling 
Paul Waugh highlights a strongly-worded Tory byelection leaflet on immigration.
At Liberal Conspiracy, Unity notes the Telegraph and the Mail's opportunistic attempt to claim that the ECHR could prevent the introduction of gay marriage in the UK.