http://www.politifact.com/georgia/statements/2017/jun/14/karen-handel/iran-complying-nuclear-deal-yes-small-hiccups/

Seems to me the "violations" are minor and inconsequential in nature.  Additionally, due to the complexity of the deal, minor violations are expected.  I'm curious what exactly these major violations are that Trump claims?  I've yet to read the specifics of them that invalidate this agreement.