Of particular concern to lawmakers in both parties is a lack of flexibility in the allocation of cuts due to take effect over the next few months. That problem will ease beginning with the new budget year on Oct. 1, when Congress and the White House will be able to negotiate changes in the way the reductions are made.

For his part, Obama suggested he was content to leave them in place until Republicans change their minds about raising taxes by closing loopholes.

"If Congress comes to its senses a week from now, a month from now, three months from now, then there's a lot of open running room there for us to grow our economy much more quickly and to advance the agenda of the American people dramatically," he said.

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