Say what you want about North Korean dictator Kim Jong Il, the man liked his Hennessy. For two years in the mid-1990s, he was the world's largest buyer of Hennessy Paradis cognac, importing up to $800,000 of the stuff a year, both to quaff himself and to give as gifts, and his death has caused a resurgence in discussion and commentary on his expensive cognac habits. So does Hennessy appreciate all of the free advertising provided by the coveted Dear Leader seal of approval? "There's been no negative feedback, but it hasn't affected sales either," Jennifer Yu, Director of Communications...