Gershom Gorenberg is a senior correspondent for an American political magazine that is based in what city?
Gershom Gorenberg:  He is currently a senior correspondent for "The American Prospect", a monthly American political magazine. The American Prospect:  Based in Washington, D.C., "The American Prospect" says it aims "to advance liberal and progressive goals through reporting, analysis, and debate about today's realities and tomorrow's possibilities."
Washington, D.C.