Indeed, Mueller documented various foreigners who contacted, or who sought to contact, the Trump campaign. The problem here is that Mueller does not tell us, and we do not know, if the number of them was unusual.

Many foreigners seek “contacts” with US presidential campaigns and have done so for decades. In this case, we do not know, for the sake of comparison, how many such foreigners had or sought contacts with the rival Clinton campaign, directly or through the Clinton Foundation, in 2016. (Certainly, there were quite a few contacts with anti-Trump Ukrainians, for example.) If the number was roughly comparable, why didn’t US intelligence initiate a counterintelligence investigation of the Clinton campaign?

If readers think the answer is because the foreigners around the Trump campaign included Russians, consider this: In 1986, when Senator Gary Hart was the leading candidate for the Democratic presidential nomination, he went to Russia—still Communist Soviet Russia—to make contacts in preparation for his anticipated presidency, including meeting with Soviet leader Mikhail Gorbachev. US media coverage of Hart’s visit was generally favorable. (I accompanied Senator Hart and do not recall much, if any, adverse US media reaction.)