Sen. Spector's Switch And Detroit's New Mayor

Sen. Arlen Specter switched from Republican to Democrat, and members of his new party have vowed to watch him closely.

Also, David Bing is the new mayor of Detroit, and President Obama must nominate a new Supreme Court Justice to replace Justice David Souter.


Ken Rudin, political editor and Political Junkie for NPR

Sen. Alan Simpson, former republican senator from Wyoming (1979-1997)



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