You know that moment when everyone at the dinner table takes a first sip of wine and proclaims things like, "What an oaky bouquet!" and "This is a tannic tour de force!"? I just look into my glass, nod and hope someone spills so we can change the subject. Tired of always feeling out of the loop, I planned a jaunt to wine country. I thought there was only one--Napa--until my cork-dork friends told me about this place called Walla Walla, a wine-growing region in eastern Washington that's gathering serious buzz......