“‘The Democrats are going to gain somewhere between four and seven seats,’ said Stuart Rothenberg, author of an independent newsletter that tracks campaigns nationwide.” The WaPo surveys recent trends in the battle for the Senate, concluding that a Dem takeover is still eminently possible, if not yet probable. “Of the battlegrounds of Tennessee, Virginia and Missouri, [Rothenberg] said, ‘They need two of the three, and they have a pretty good chance’ of winning them.”