An unusual forum for exchange between German conservative and Greens politicians emerged 30 years ago in the form of the "pizza connection." Now that format is being revived in a changed political landscape.

An unusual forum for exchange between German conservative and Greens politicians emerged 30 years ago in the form of the "pizza connection." Now that format is being revived in a…

Thirty years ago, rivaling politicians from Germany's conservative CDU and the Greens met to discuss their differences ― and what they had in common. The pizza connection was…