Opinion Twice it was tried, twice it failed. In Germany, Munich and Lower Saxony both decided to switch to open source for official IT. Both projects, to some extent or another*, returned to Microsoft. Now the state of Schleswig-Holstein is hoping for third time lucky. It's been planning the same thing for three years, and now it's pressing the button. There are good reasons to think that this time open source may stick. The lessons of the last two failed transitions, nominally costs too high an...