Good Newsweek article, lion. I feel it somewhat agrees with what I believe, that there will be no action taken against Scrotus whilst the balance in Congress is so heavily weighted towards the GOP (barring some new truly egregious action on his part). Because if action is taken and it fails due to party politics it will serve to make Scrotus 'bombproof' and the Dems know it.
In other words, nothing is going to happen wrt impeachment until January 2019 when and if the balance of power shifts after the mid-term electees are sworn in. Even so, the timetable to impeachment will (may) keep him in office for I'd say at least another 12-16 months bringing us to 2020 which is election year. It may be that a Democrat-majority Congress will feel that they are better off just putting out the various fires he sets with the knowledge that he is un-reelectable rather than subject the nation to the shit-show of an impeachment trial and removal from office (of failure thereof) with him theoretically only having until Nov 2020 when he'll become a 'lame duck' president.
In fact, the cynic in me thinks that it may serve the Dems well to have him still in office for the 2020 election, IF they can contain (and exploit) his insanity. Pence is electable on his own (sorry to say) and if he's the President he may just win as have most incumbents. But Pence as candidate, with Scrotus as his 'boss' sticking to his shoes like dog shit, may not be so electable.
As far as the 25th amendment coming into play, that's not going to happen unless Scrotus runs down Penn Ave naked or moons Congress during a State of the Union speech. The cabinet and cronies have so much to gain money-wise that they aren't going to do anything unless they see their own financial interests start to fall. Tillerson may think Scrotus is a 'fucking moron' but he's not going to kill Exxon's Golden Goose. A goose that's looking towards opening our protected lands to drilling and fracking. The same goes for other cabinet members and their own financial interests. You don't really have to dig very deep to see what those interests are and how deregulation or EOs are tearing away the protections we now have in place.