Nita and Ken Eaton hit the stores last month, as they do every Christmas, to find just the right gifts for the youngsters on their shopping list. The carefully chosen presents weren't for their youngsters but for their nieces and nephews. The Eatons are part of a small but growing segment of American couples who have chosen not to have children. "We spend a lot of time thinking about what we're going to get our nieces and nephews for Christmas. We want to get them something meaningful," said Nita Eaton, 38. The Eatons, married for five years, never had the...
