Save the Planet, Win a Prize

ABC News Correspondent Jim Ryan talks about how the United States is in a bare-knuckled, no-holds-barred brawl with zebra mussels, Morrow’s honeysuckle and 15-thousand other plants, animals and fungi found on the U.S. Register of Introduced and Invasive Species. Environmental officials have imposed regulations and restrictions on boaters and campers, and they’ve also launched a nationwide contest to find a way to halt the spread of one creature.