When Lewis and Clark reached North Dakota this month 200 years ago, the icy Missouri River forced them to set up camp for five months. They built wooden huts, nearly ran out of meat, and Clark lined his gloves with lynx fur to guard against the cold. A crew re-creating the explorers' 1803-1806 expedition will spend this winter, however, at home. "I'm looking forward to some sushi," said the crew's captain, Scott Mandrell, 39, of Alton. "That's one thing I've missed desperately, being able to run to Schnucks and buy some sushi." < SNIP > No one can call them...