bluefrog
Go Blazers, GO!
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“Republicans in both chambers are polarizing more quickly than Democrats,” said Sean Theriault, a political scientist at the University of Texas at Austin. “If the Democratic senators have taken one step toward their ideological home, House Democrats have taken two steps, Senate Republicans three steps and House Republicans four steps.”
Political scientists call this “asymmetric polarization,” and there’s evidence of it all around us. Forty years ago, zero Republicans in Congress had signed a pledge to oppose tax increases in any and all circumstances. Today, almost all of them have. There’s no corresponding pledge on the Democratic side.
DW-Nominate rates presidents by processing Congressional Quarterly’s “Presidential Support” index, which tracks roll-call votes on which the president has expressed a clear position. The system then rates the president by looking at the coalitions that emerged in support of his legislation. In essence, it judges the president’s ideology by judging the ideology of the president’s congressional supporters. So how, in an age of incredible congressional polarization, could this system rank Obama as a moderate?
