[B]ehold Rasmussen's newest, which shows Rick Santorum as the only Republican to beat Obama head to head. This is the latest in a week-long series of polls, from pollsters left, right and center, showing Santorum doing better against Romney than Gingrich or Paul, or better against Obama than Gingrich or Paul and either better or about even with Romney when matched against Obama -- or, having a significantly better favorable-to-unfavorable ratio (this IS a significant poll number this far out, unlike a horse-race match-up) than anybody in the GOP field.