The opening round of negotiations this week between White House and senior GOP congressional staffers left both sides pessimistic about their ability to reach a quick deal on averting the fiscal cliff, according to sources familiar with the talks. Hill Democrats say Republicans aren’t serious about crafting a deal that President Barack Obama can accept. For their part, Republicans remain unconvinced that Obama and Senate Majority Leader Harry Reid (D-Nev.) will make the kind of significant concessions on entitlement programs like Medicare and Medicaid that would make them agree to tax rate hikes (Sherman, Bresnahan and Budoff Brown, 11/20). Read more about the negotiations here.