Politics 28 January 2010 Web Only: the best of the blogs The five must-read posts from today, on MPs' lobbying links, social networking and US health care. Sign up for our weekly email * Print HTML 1. Why holding the Iraq inquiry is not a political mistake Next Left's Sunder Katwala challenges the conventional wisdom that the Iraq inquiry has backfired on Gordon Brown. 2. Voodoo corner UK Polling Report's Anthony Wells warns of the rise of "voodoo polls" -- open-access polls that do not make any attempt to gather a representative sample. Today's Mumsnet poll on voting intentions is a typical offender, he says. 3. MPs' lobbying links to be revealed The Times's Sam Coates says it's worth keeping an eye on a list revealing the identities of the lobbyists for whom MPs have hired rooms. 4. Social media's impact on politics, part one: the groups that face extinction Mark Pack at Liberal Democrat Voice discusses the "real impact" of social networking sites on politics. 5. Did Obama move health care forward? The New York Times's Room for Debate blog has a rolling discussion of the health-care overhaul -- where will it go from here, if anywhere? Harold Pollack, Steffie Woolhandler and David Himmelstein have contributed so far. Follow the New Statesman team on Twitter › The left-wing case for tuition fees Subscribe from just £1 per issue More Related articles What the debate over troops on the streets is missing The problems with ending encryption to fight terrorism How long will general election campaigning be suspended after the Manchester attack?