It looks like a GOP wave; the question is how far it goes

Republicans seem to be pulling away in the race to win a majority in the U.S. Senate. At least this week.

In mid-September, several polls seemed to be going the other way. The well-informed Washington Post analyst Chris Cillizza wrote that for the first time in this election cycle odds favored the Democrats keeping their majority.

Two weeks later he was singing another tune. Analysts at the Post, the New York Times andFiveThirtyEight, in addition to psephologists Charlie Cook, Stuart Rothenberg and Larry Sabato, all agreed.

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