UPDATE: After weeks of gridlock, some Senate Democrats have signaled they'll accept a proposal from Minority Leader Mitch McConnell to increase the debt limit in the short term. But the leaders are still hashing out details. CNN Political Director David Chalian breaks down how Democrats have been strategizing leading up to this breaking news. Republicans have been stubborn in their positions not to help Democrats raise the debt ceiling, until today…To learn more about how CNN protects listener privacy, visit cnn.com/privacy