A third man joined a weeks-long hunger strike close to the German chancellor’s office in central Berlin on Tuesday to pressure the government into showing greater honesty on the global warming crisis. The “Starve until you are honest” campaign issued a statement that Michael Winter, a biologist from Garching near Munich in the south of the country, had joined the open-ended hunger strike in the Camp for Climate Action in the government district. According to the campaign, Wolfgang Metzeler-Kick, a 49-year-old engineer, has not eaten since March 7, 40 days ago. Richard Cluse has been going with…