It might look as if we are in the midst of a major political realignment. What we would once have thought were wildly disparate groups – some of whom should be vehemently opposed to one another – are falling in behind a single unifying cause. The Left as we knew it has reconstructed itself and now virtually every form of protest and anti-capitalist dissident is finding a home with the pro-Palestinian front. There is the grotesquely bizarre sight of banners inscribed “Queers for Palestine” parade