U.S. House Speaker John Boehner (R-OH) arrives on Capitol Hill in WashingtonBy Richard Cowan and Thomas Ferraro WASHINGTON (Reuters) – President Barack Obama and congressional Republican leaders labored to end their fiscal deadlock on Friday, however struggled to strike a deal on the details for a brief-term reopening of the federal govt and an increase within the U.S. debt restrict. At some point after the first indicators of real motion in the standoff, all sides searched for an agreement that might get federal staff again on the job and prolong the government's borrowing authority previous the October 17 limit. A variety of the small print of the negotiations are unknown at this point. …