I get the Economist (not the US version, its shit), The Nation, The Progressive (they have Trump derangement syndrome and I'm about to drop them). The Atlantic is good every other month it seems. The National Review is a good one for a right leaning counterpoint. I had the New Republic for a while but got disinterested and killed it.
The important point, I think is to get opinion on the left and the right. Don't get into a bubble. If you are a lefty, know what the guys on the right are saying so you can listen, counter and talk about what they are discussing, and likewise.
Going through Amazon get the digital editions, they are cheaper and the old rags don't stack up to the rafters.