WASHINGTON (Reuters) - Shortly after taking office, U.S. President Barack Obama set the goal of eventually ridding the world of nuclear weapons as a central theme of his presidency and pledged dramatic steps to lead the way. But after lofty rhetoric and a few steps forward, Obama is facing fresh doubts about whether he is willing to take the political, diplomatic and budgetary risks that may be ...

Much has been written about Barack Obama ’s presidency during his first three years. His supporters still adore him. His critics dislike him intensely. The real question is, why has Obama failed—in his own terms: “to turn this country around?”

President Barack Obama is holding his first news conference of the year in the midst of a modestly improving economy but in the face of international challenges that could test the current recovery as well as his presidency.

Award-winning authors and columnists Jonathan Alter and Hendrik Hertzberg analyze the Obama presidency as he enters his 2012 re-election campaign. They appeared at the John F. Kennedy Library in Boston.

Award-winning authors and columnists Jonathan Alter and Hendrik Hertzberg analyze the Obama presidency as he enters his 2012 re-election campaign. They appeared at the John F. Kennedy Library in Boston.