Redefining the political landscape: here’s how a Progressive Alliance could work

Talks of a Progressive Alliance emerged as soon as the snap election was called. With Theresa May polling well ahead of the rest, an alliance seems to be the only alternative to the Conservative Party’s governing style. Alan Wager explains what history can teach us about the strategic purpose of such an agreement, how it would work in terms of parties and their leaders, and whether voters would support it.