German Health Minister Nina Warken, of the ruling conservative Christian Democrats (CDU) , has outlined key features of the government's planned reforms for  ailing health care system . Warken's draft legislation, on track to be passed this summer, aims to prevent further increases to the health insurance contributions. "We simply cannot spend more than we take in," Warken said at a press conference in Berlin on Tuesday. Health insurance in Germany is mandatory, with 90% of the population