Did Iran just make a big economic mistake?

CNN

BY HEATHER LONG 

2016 was supposed to be Iran's breakout year. Now that's in jeopardy.

Iran and Saudi Arabia have started feuding again just as Iran is trying to prove to the world it isn't building nuclear bombs and that it's ready to reenter the global economy after decades of painful sanctions.

Any military escalation would be costly, but here are four ways Iran is already in danger economically.

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