Do the party leaders’ promises of more power to Scotland mean anything?

William Hague has told the House that the party leaders' indications of further devolution to Scotland are not government policy.

By harry harry

(Photo By Who is making government policy on Scotland? Photo: Getty)

Gordon Brown has been joined in Scotland by David Cameron and Ed Miliband. Together the three are pledging new policies in a bid to keep the Union together. But who is in charge of the British government’s offer?

Is David Cameron? He is the only one with any formal authority, but his party holds just 1 of Scotland’s 59 seats, and he is the less trusted politician in Scotland, by those YouGov track.