(Reuters) – President Barack Obama and Israeli Prime Minister Benjamin Netanyahu are deeply at odds over how fast the clock is ticking toward possible military action against Iran’s nuclear program, and their talks on Monday are unlikely to change that.

Even though Obama has offered assurances of stiffened U.S. resolve against Iran before the White House meeting, the two allies are still far apart on explicit nuclear “red lines” that Tehran must not be allowed to cross, and they have yet to agree on a time frame for when military action may be necessary.  Read more