TOKYO -- Lawson turns the page to a new chapter, ending a dual-leadership structure to effectively give parent Mitsubishi Corp. a greater say in management.
Chairman will leave amid push to revamp operations

Lawson Chairman Genichi Tamatsuka, left, leaves the press conference Wednesday with President Sadanobu Takemasu standing next to him.
TOKYO -- Lawson turns the page to a new chapter, ending a dual-leadership structure to effectively give parent Mitsubishi Corp. a greater say in management.