A new book says Dutch spies spent months watching Jared Kushner's iPhone screen in real time, and one of the things they saw him open was a bank account with about $750 million in it. They got in because the Russians had already hacked the phone, and the Dutch found a way to ride along. Here's how it went down, according to Matthew Cole's reporting in Vanity Fair. In late 2017, Dutch military intelligence found out a Russian GRU officer was about to travel to the UK. The guy was a dark-web…