Debt ceiling negotiations intensify ahead of June 5 deadline.

Treasury Secretary Janet Yellen has issued a new letter to Congress estimating that the government won't be at risk of running out of money to pay all its bills until June 5, slightly later than the agency's previous estimate of as soon as June 1. President Joe Biden sounded optimistic about negotiations and hopeful that more progress will come into the night. Republicans questioned Yellen's methodology, with some accusing her of "manipulation tactics." The update buys much-needed time for negotiators to hammer out a deal to raise the debt limit and avoid a disastrous default.