The summer of 2020 will be remembered for many things, most of them sigh-inducing, but here’s an immediate highlight: This will be the summer that we all (assuming we felt like shelling out $6.99 a month for Disney+) got to watch “Hamilton” in our living rooms. And not just any “Hamilton” — this movie of the Broadway musical, directed by Thomas Kail and filmed in June 2016, captures the remarkable artistry of the original cast, led by the show’s creator Lin-Manuel Miranda as founding father Alexander Hamilton.I was lucky enough to see “Hamilton” on its Seattle tour a couple of years ago, and I…