It's getting down to crunch time for Vice President Joe Biden and a bipartisan band of lawmakers trying to craft a deal to slash the federal budget and raise the debt limit.

There's a growing sense of urgency for the group to pick up the pace and start making the politically difficult trade-offs required to generate deficit savings in the trillions of dollars rather than in billions. The game plan is for the Biden-led group to reach a tentative pact by Congress' July 4 recess.

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