http://www.slate.com/blogs/blogs/trailhead/archive/2008/04/22/campaign-crystal-ball.aspxUPDATE 8:58 p.m.: NBC and Fox News have called the Pennsylvania primary for Hillary Clinton. Once you get past your initial excitement, it's clear that a win by one point and a win in the double-digits mean very different things. Earlier today we predictedenCommunityServer 2.1 SP2 (Build: 61129.2)