TOKYO, Japan (CNN) -- Former Japanese Finance Minister Shoichi Nakagawa, who resigned from his post after appearing intoxicated at a news conference earlier this year, was found dead in his home Sunday, police said. Shoichi Nakagawa resigned three days after appearing intoxicated at a G7 news conference in Rome. The cause of death was not clear and no will was found, police said. Nakagawa, 56, resigned in February, three days after he appeared intoxicated at the G7 news conference in Rome, Ita