Barack Obama is to host a rare dinner at a top hotel near the White House for selected Republican senators on Wednesday night, part of his new-found strategy of bypassing the party's congressional leadership in the stand-off over spending, immigration, guns and other issues.
Barack Obama warned on Saturday of a "ripple effect" through the US economy that would cost hundreds of thousands of jobs after he reluctantly signed an order to begin a huge $85bn (£56bn) programme of government cuts.
Barack Obama delivered a grim warning to the nation's governors at the White House on Monday about the impact of across-the-board spending cuts if Congress fails to find a deal by Friday's deadline.
The Obama administration turned up the heat on the Republicans on Sunday, sending out a slew of cabinet secretaries to issue dire warnings about the impact of $85bn of government cuts should sequestration be allowed to strike.
The Obama administration has issued its strongest warning so far that that the looming sequestration budget cuts will cause "calamity" for air travellers.
Barack Obama has embarked on an effort to rally grassroots support for his ambitious second-term programme outlined in his state of the union speech, including a bigger role for government in uplifting the poor and strengthening the middle class.
Barack Obama has pledged in the annual state of the union address to use his second presidential term to restore "the basic bargain" which built the US into the world's greatest economic power by ensuring prosperity for the great bulk of Americans and not the privileged few.
Wayne LaPierre, the firebrand executive vice-president of the National Rifle Association, came under intense questioning from Democratic members of the senate judiciary committee who forced him to admit that the NRA's opposition to gun control has grown more extreme over the past 15 years.
Barack Obama has warned Republicans that if they attempt to block his drive towards comprehensive immigration reform he will send his own legislation to Congress and force them to vote on it.
Barack Obama was officially sworn in as president for a second term at noon on Sunday, in a White House ceremony that was relatively quiet, compared with the one that will take place with hundreds of thousands lining the Mall on Monday.
President Barack Obama has been accused by a senior Republican of being eager to take the US over the fiscal cliff for political gain, as Washington edges closer to a year-end deadline with no deal in sight.
Barack Obama left Washington with his family for a Christmas break in Hawaii on Friday night, an acknowledgment that weeks of negotiation over the economy's looming crisis had ground to a halt.
The stand-off between the White House and Congress over the 'fiscal cliff' turned into a full-blown crisis on Thursday night when Republican House Speaker John Boehner was publicly humiliated, unable to command enough support to secure passage of his own bill.