A bill to give Congress a voice in the nuclear deal with Iran is now endangered by Republican amendments that would peel away bipartisan support for a measure begrudgingly accepted by the White House this month. Amendments filed by lawmakers last week include one that would require Iran to recognize Israel and another that would give any final nuclear deal the status of a treaty, which would require ratification by two-thirds of the Senate. Another proposal would require the release of American citizens detained in Iran as part of an agreement. For Republican sponsors of the Iran measure, these amendments threaten to break the rare bipartisan spirit that pushed the bill unanimously out of the […]