Treasury Secretary Janet Yellen told Congress on Tuesday that the Treasury Department could potentially unable to meet the government’s financial obligations around Dec. 15. In a letter to congressional leaders, Yellen said that the deadline for a potential government default was extended from Dec. 3 to Dec. 15 and the adjustment was “based on our most recent information,” a reference to Treasury tax collections and cash flow data. The new deadline means Congress has more time to raise the federal debt ceiling, which currently stands at $28.9 trillion, as lawmakers continue to debate over the $1.75 trillion reconciliation bill, also known as the Build Back Better bill. The measure would provide new energy tax breaks and see the largest expansion of social programs since the 1960s. Senate Majority Leader Chuck Schumer said Tuesday that Senate Democrats aimed to pass the measure before Christmas. Yellen said the Treasury would be able to make a $118 billion transfer to the Highway …