I wasn't the one who marked it as a duplicate, but both questions have the same essence. They're about whether or not Trump's concerns about the Mueller probe are justified. The duplicate designation makes total sense to me.
russia is a bad tag (it's ambiguous as it can be referring to pre-1917 Russia AND it's not reflecting the actual name of the country but its colloquial name). It also has only 5 questions 100% of which are indeed about Russian Federation.
all questions with russia need to be retagged as russian-federation
russia needs to be made a synonym of ...
I think I was probably overthinking it. Next time I'm in such a situation I'll blockquote most of the overlap with a link like any other source and add a bit to make sure my answer addresses any minute differences between the questions.