Jim Geragthy, acclaimed author and National Review’s chief campaign analyst, has been grousing about the lack of quality polling in key Senate races this year. His frustration is well-founded. So yesterday must have felt like Christmas in September for Jim and political junkies everywhere, as two pollsters released a deluge of surveys covering the most contested races in the country. In light of the results, I’d expect that national Republicans are kicking off the week with an extra spring in their step, as well. We were leaked an advance copy of last week’s much-anticipated Politico/GWU Battleground poll, which was packed...