Following weeks of partisan bickering, a limited deal that enables the United States to climb back up the "fiscal cliff" has been belatedly approved by Congress. The manoeuvring follows intense last-minute negotiations between Vice-President Joe Biden and Mitch McConnell, the top Republican in the US Senate.
The legislative agreement rolls back many of the US tax rises, and delays cuts to US government agencies and departments such as the Pentagon, scheduled to take effect from this week. It is a partial victory for President Barack Obama, but the tortuous nature of the negotiations has served him an early warning that, despite his re-election victory in November, political polarisation and deadlock in Washington look set to intensify during his second term.
To be sure, Obama will still achieve some further domestic policy success in the next four years, but the chances of securing a series of major legislative victories are not strong. Republicans (including the sizeable Tea Party caucus), who were so at odds with the President's first-term agenda, maintain their firm grip on the House of Representatives, and hold a sizeable minority in the Senate. Obama's opponents in Congress are keenly aware that his narrower margin of victory in November than in 2008 equates to a more fragile electoral mandate.
The fact that Obama's second term will probably not be a highly productive one for domestic policy is not unusual for re-elected incumbents. During their first four years in the White House, Presidents usually succeed in enacting several core priorities (in Obama's case, including healthcare reform, and the 2009 fiscal stimulus bill), while key items that fail to secure a critical mass of support are rarely resurrected.
There are several reasons why Presidents find it difficult to secure legislative approval for significant new measures in second terms. The party that controls the White House, as with Democrats now, often holds a weaker position in Congress in second presidential terms. Thus Dwight Eisenhower in 1956, Richard Nixon in 1972, and Bill Clinton in 1996 were all re-elected alongside Congresses in which both the House and Senate were controlled by their political opponents.