With friends like these…. Jean-Claude Juncker and Christine Lagarde. (AFP)

It’s not as if the troika of eurozone rescue lenders never falls out, but usually it takes a not-in-front-of-the-children attitude to airing its rows. A refreshing change on Monday night, as my colleagues Peter Spiegel and Josh Chaffin report, when the eurogroup summit, while not actually deciding anything substantive, made sure it would stand out from the dozens of other such gatherings by hosting a very public argument between the eurogroup’s Jean-Claude “We all know what to do, we just don’t know how to get re-elected after we’ve done it” Juncker and the IMF’s Christine Lagarde.