Coming out as pro-liberalisation if not pro-drugs legalisation, at least Nick Clegg is moving in the right direction this morning. There is much talk in Westminster, surely not rooted in jealously, of his announcement that Jeremy Browne will be sent on an all-expenses paid “fact-finding mission” to Amsterdam, Portugal and Latin America. The Home Office minister will be, ahem, researching the effects of liberal drugs policies in these countries. At least that’s what he is telling his boss…