Bookmarked 'Progressive Alliance' is now the only alternative to the Tories (theecologist.org)

Thanks to the UK's crazy 'first past the post' electoral system, there's only way the UK can end austerity and neoliberal government in the next general election, writes Rupert Read: if centre and left parties join in a Progressive Alliance that represents the majority of voters.

Progressive alliance seems like the best hope of averting another 5 years of the Conservatives on June 8th.  Is it feasible?