 "Potential rifts, hard choices if US Congress rejects Iran deal")
If the US Congress votes down the nuclear deal with Iran, President Barack Obama could rapidly find himself facing many negative reverberations, including a painful predicament with China, current and former US officials said on Friday.
China, one of six world powers that negotiated with Tehran, has reduced the amount of Iranian oil it buys, as demanded by a US sanctions law meant to pressure Iran to accept a diplomatic resolution of the nuclear stand-off.
If Congress scuttles the July 14 nuclear agreement, energy-hungry Beijing is likely to conclude diplomacy has failed, break free of sanctions restraints and increase Iranian oil imports, the officials said.
"You will rapidly find that we will have to make sanctions decisions that are not very attractive," said Richard Nephew, until recently a top State Department and White House sanctions official.
The China example is just one of numerous consequences expected if Congress were to block the Vienna agreement, which offers Iran relief from sanctions in return for limits on its nuclear work, US officials and European diplomats predicted.
They include a possible trans-Atlantic schism over the issue; Iran's nullification of the deal and its rapid resumption of large-scale nuclear enrichment; and even US court battles over the sanctions.
Obama's White House is fighting for the agreement - which would be a legacy achievement for the president -and has plenty of motivation to cast the alternatives as dire.
The president has depicted the choice as "between diplomacy or some form of war" with Iran, but European allies and many outside analysts agree that scuttling the deal would be costly.
China, one of six world powers that negotiated with Tehran, has reduced the amount of Iranian oil it buys, as demanded by a US sanctions law meant to pressure Iran to accept a diplomatic resolution of the nuclear stand-off.
If Congress scuttles the July 14 nuclear agreement, energy-hungry Beijing is likely to conclude diplomacy has failed, break free of sanctions restraints and increase Iranian oil imports, the officials said.
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Obama would have to decide whether to sanction China and add new troubles to bilateral relations - or let the painstakingly built architecture of restrictions on Iran unravel.
"You will rapidly find that we will have to make sanctions decisions that are not very attractive," said Richard Nephew, until recently a top State Department and White House sanctions official.
The China example is just one of numerous consequences expected if Congress were to block the Vienna agreement, which offers Iran relief from sanctions in return for limits on its nuclear work, US officials and European diplomats predicted.
They include a possible trans-Atlantic schism over the issue; Iran's nullification of the deal and its rapid resumption of large-scale nuclear enrichment; and even US court battles over the sanctions.
Obama's White House is fighting for the agreement - which would be a legacy achievement for the president -and has plenty of motivation to cast the alternatives as dire.
The president has depicted the choice as "between diplomacy or some form of war" with Iran, but European allies and many outside analysts agree that scuttling the deal would be costly.