Dozens of former players are now pressing the NFL and the players union for more pension and disability money, saying their football injuries have crippled them.

NPR: Former NFL Players Unable to Pay Medical Bills

On Thursday, Work and Pensions Secretary Iain Duncan Smith wrote to former Labour ministers - including his shadow, Liam Byrne, and former culture minister Margaret Hodge - pressing them to reveal what advice they received about A4e.

BBC: Ministers' anger over A4e welfare-to-work whistleblower

Meanwhile, the wealthy publisher Steve Forbes, former Vice-President Dan Quayle and a former Tennessee governor, Lamar Alexander, are pressing on with national campaigns that, officially undeclared, have already taken them through months of bad meals and repetitive speeches to the party faithful.

ECONOMIST: The hopefuls line up, hands held out