[Breaking news update 12:20 p.m. ET] Senate leaders announced on Wednesday that they have reached a deal to end the government shutdown and avoid a possible U.S. default. [Original story moved at 11:45 a.m. ET] Senate leaders on Wednesday worked out a deal to reopen the government and avoid a potential U.S. default as soon as midnight, sources told CNN’s Dana Bash and Ted Barrett. Formal announcement of the agreement will come at 12 noon ET on the Senate floor, a Republican Senate aide told Bash. CONTINUE . . .