By Lenn Thompson, Editor-in-Chief It wasn't that long ago that I wrote a bit about Lenz Winery and their belief that, because American's don't know how to age wines, they'll age them for us. That's true for their high-end reds, but it's also true for their mid-level "Estate Selection" lineup. This Lenz Winery 2002 Estate Selection Merlot ($23) was just released a couple months ago, following up on one of my favorite under-$25 local merlots, the 2001. And, while perhaps a bit less complex than that wine, this is still a fine value. The nose is a bit less funky…