Here’s your Weekly Primer summing up all the significant developments (Prime access) in the Russia probe in the last seven days.

Also see the new format which allows you to go back through previous weeks’ Primers.

Is it Michael Cohen’s naked dependence on Donald Trump (and Trump’s predictably awful treatment of him) or the dispute over how much legal work Cohen was really doing for Trump that is the main takeaway from the big new Cohen profile? I can’t decide.