For Dion Houston, a slight 43-year-old with a gold tooth and the jaunty air of a pirate, hurricane Katrina has been "a blessing," even a holiday of sorts. Since leaving his flooded New Orleans apartment, he "found $2,000 just floating in the water," quit smoking crack, and finally proposed to his 25-year-old girlfriend, Miata Gipson, who is six months pregnant. Plus, they've been given a new TV, a closet full of clothes, "everything for the baby except the baby," a free day trip to Lion Country Safari, US$600 from the Red Cross which helped pay for an engagement ring --...