More than 125 Native American tribes from across the nation are represented at a tribal environmental conference underway at the Prairie Island Dakota Community. One session addressed a key issue facing Prairie Island and other tribes - the storage of nuclear waste on or near their lands. Minnesota Public Radio's Laura McCallum reports... One Prairie Island official says the most ominous issue facing the tribe is its nuclear neighbor. Northern States Power Company's Prairie Island plant sits less than a mile away from the reservation, along with its seven dry casks storing spent nuclear fuel. Whether tribes should accept nuclear waste for storage has been hotly debated across the country - Robert Hold