Berlin's parliament approved a bid to host Olympics post-1936 anniversary. Mayor Wegner secured support from CDU, SPD, AfD for Olympic bid. Olympic bid projects 4.82B cost vs 5.24B revenue, aiming for 420M profit. Left and Greens oppose bid due to financial risks, citing costly renovations. German confederation will choose one of four cities (Berlin, Munich, Hamburg, NRW) on Sep 26. Opposition labeled plans as 'empty promises' and 'castles in the air'