Bubble trouble: Ex-Lehman Japan chief looks back for lessons

TOKYO — On Sept. 15, 2008, in Tokyo’s Roppongi district, Akio Katsuragi, then president of Lehman Brothers Japan, met Hiroshi Nakaso, who was director-general of the financial markets unit in the country’s central bank.At the venue, the International House of Japan, Katsuragi said to Nakaso, “I heard that we will be purchased by [British bank]…