The opinions expressed in this commentary are solely those of Julian Zelizer . Candidates agree that the economy is the main issue in the election . Julian Zelizer says they 're ignoring the deeper economic challenge America faces . Comment: Zelizer : U.S. economic problems are decades in the making and need serious attention .
Candidates agree that the economy is the main issue in the election . Julian Zelizer says they 're ignoring the deeper economic challenge America faces . Comment: Zelizer : U.S. economic problems are decades in the making and need serious attention .