Ruben Reyes, A federal judge in Seattle ruled in favor of the states of Washington and Minnesota, which showed that they would be irreparably harmed and that they would likely succeed on the merits of their claim.  The claim was based on constitutional principles.  The Ninth Circuit upheld that ruling.  An explanation of why the executive order is unconstitutional follows.  Trump himself must agree because he recently said he would be issuing a new executive order that would recognize the shortcomings that were identified by the Ninth Circuit.  https://www.washingtonpost.com/news/volokh-conspiracy/wp/2017/02/05/why-trumps-refugee-order-is-unconstitutional-discrimination-on-the-basis-of-religion/?utm_term=.317f8c0e9891
https://www.washingtonpost.com/world/national-security/trump-says-hell-issue-a-new-executive-order-on-immigration-by-next-week/2017/02/16/4b65e7d6-f463-11e6-a9b0-ecee7ce475fc_story.html?utm_term=.c4a07ab091e5