Bill was introduced by Ted Cruz early last year. It didn't go anywhere. They later in the year tried toget Rex Tillerson to declare MB an FTO from the State Department since this would automatically trigger the desired effect of shuttung down its operations here in the US. T-Rex was refused since he felt it would directly negate much of Obama's foreign policy legacy—including the Iran deal.
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www.foxnews.com/politics/2017/11/20/exclusive-lawmakers-call-on-trump-administration-to-outlaw-muslim-brotherhood-with-new-strategy.html