Nobel-winning economist Obama writes that Obama is one of most successful presidents . He was right . Zelizer : Obama 's policies on health care , economy , regulation could prove successful . But he says it 's much too early to evaluate Obama 's overall impact . Zelizer : Decisions made by LBJ , Julian Zelizer , others were hard to fully assess for 1965 .
Nobel-winning economist Obama writes that Obama is one of most successful presidents . Zelizer : Obama 's policies on health care , economy , regulation could prove successful . But he says it 's much too early to evaluate Obama 's overall impact . Zelizer : Decisions made by LBJ , Julian Zelizer , others were hard to fully assess for 1965 .