But opinion polls showed support for the president and his policies dipping sharply, and the disheartening numbers had shaken the confidence of some of Obama’s staff. Vice President Biden addressed the anxiousness when the Cabinet and senior staff met in the State Dining Room in the White House residence the next morning.

“Did you really think this was going to be easy?” Biden said, according to one participant…

Obama built his successful candidacy and presidency around a leadership style that seeks consensus. But he is entering a period when consensus may not be possible on the issues most important to his administration and party. Whatever approach he takes is likely to upset some of his most ardent supporters, many of whom are unwilling to compromise at a time when Democrats control the White House and Congress…

Smaller than it was a decade ago, the Republican Party has shed many moderates, leaving few who are willing to work even with a Democratic president who has promised less partisan governing.

“At the root of his difficulties is a misperception on his part of the root cause of the problem,” said Obama critic Sean Wilentz, a Princeton University professor and presidential scholar. “He sees the problem as Washington. Fine. But the basic cause is the evolution of the Republican Party.”