The partial legalization of cannabis for personal use, which was championed by the centre-left government of Chancellor Olaf Scholz, takes effect in Germany on Monday. The Bundesrat or upper house let the long-debated bill pass last month after it was approved by the lower house, the Bundestag. The landmark legislation allows for adult possession of up to 25 grams of cannabis for personal use in public. Three live cannabis plants will be legal in one’s own home and up to 50 grams of cannabis for personal use there. Smoking weed in public spaces is to be banned in schools, sports facilities and…