John Dunford, general secretary of the Secondary Heads Association, assesses the government's options faced with falling pupil numbers. Official figures show there are now almost 800,000 empty places in classrooms.
Columnist Martin Kettle assesses John McCain's chances of winning the Republican nomination - and where that leaves the Democrats.
Home affairs editor Alan Travis looks at plans to extend police powers to stop and search. He says parties' attempts to be toughest on crime have fuelled fears of a return to the hated "sus" laws.
Environment editor John Vidal joins scientists on Kinder Scout in Derbyshire's Peak District as they attempt to stop peat bogs emitting carbon.
