Pressure mounts on Bayer CEO to fix legal problems as chairman quits

FRANKFURT (Reuters) - The departure of Bayer Chairman Werner Wenning will turn up the heat on CEO Werner Baumann to resolve the healthcare to agriculture group's legal problems, two of the firm's biggest German shareholders said on Wednesday.Bayer's shares have plunged about a quarter in value since August 2018, when the company lost a U.S. lawsuit claiming that weedkiller Roundup - acquired via its $63 billion (48.8 billion pounds) takeover of Monsanto earlier in the year - causes..