A campaign staffer waits for the arrival of Democratic presidential candidate Bernie Sanders to a field office in Muscatine, Iowa, on Friday.
A campaign staffer waits for the arrival of Democratic presidential candidate Bernie Sanders to a field office in Muscatine, Iowa, on Friday. Evan Vucci Associated Press
A campaign staffer waits for the arrival of Democratic presidential candidate Bernie Sanders to a field office in Muscatine, Iowa, on Friday. Evan Vucci Associated Press

E.J. Dionne Jr.: The long, painful road to Iowa

January 31, 2016 09:00 AM

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