With just 27 days (count them) until election day, here is what's happening today:
Gordon Brown -- presumably with groupies in tow -- embarks on what is being called a "Leader's Tour" of the UK. He'll travel by train and battle bus and is heading to Scotland, where he'll team up with the Scottish Labour leader, Iain Gray. The Scottish Secretary, Jim Murphy, will also be on hand for the launch of the party's poster campaign north of the border.
David Cameron kicked off his day, as Gordon Brown did yesterday, with a date with John Humphrys and the 8.10 interview on Radio 4's Today programme. Meanwhile, the Tory shadow environment secretary, Greg Clark, is in Crawley with the local candidate, Henry Smith; the pair will tour Ceres Power, an alternative energy company. It won't be the last time a senior Tory pays a visit to a constituency where Labour holds office with a majority of just 37.
Nick Clegg starts his day in South Wales with the Lib Dem MP for Cardiff Central, Jenny Willott (10.30pm). He then heads to Solihull to launch his party's regional manifesto for the West Midlands (2pm) and to the Leeds Rhinos Rugby Club at Headingley Stadium to launch the regional manifesto for Yorkshire (5pm). Meanwhile, the Lib Dem shadow chancellor, Vince Cable (pictured), will be in Cambridge for the east of England launch.
The Scottish National Party leader and First Minister, Alex Salmond, visits staff at a Sky call centre in Livingston, West Lothian, together with the SNP's local candidate, Lis Bardell.
David Cameron's appearance on the Today programme is likely to make the political weather for a few hours at least. Elsewhere, it's a fairly quiet day on the TV and radio front. Incidentally, the Guardian reports this morning that both Cameron and Brown are pretending to be out every time BBC Newsnight's Jeremy Paxman calls.
Away from the campaign
The County Championship cricket season begins today with Warwickshire v Yorkshire at Edgbaston and Essex v Hampshire at Chelmsford.