A New York Times article on genetically modified crops:

"The acreage planted with genetically modified crops has exploded: a third of this country's corn by 2002 and three-quarters of its soybeans. Whatever you make of this trend, and there are strong arguments on both sides, one question it raises is whether genes from modified plants might somehow drift into unmodified ones. The answer is yes. "

Past articles of interest:

Jim Hightower at Alternet HIGHTOWER: USDA's Barren Seed

'Everything not permitted is forbidden', in which the doom of non-legally protected varietals is discussed. The protections placed for some plants and environments accidentally imperils others through legal incompetence.

Seedsaving and Seedsavers' Resources