" What it has to be is a long-term one, involving pressure (read sanctions), constant diplomatic engagement, quiet support for Russian civil society and political dissent,"
I don't know where the media keeps on getting 'visiting professors' , they all share the same ideology, 
that is the Obama backdoor diplomacy, sanctions, fence sitting. Eight long years, nothing was accomplished, except the mass refugee migration, increased terrorism, death of thousands.
I'd remind to dear professor, your muslim friendly Obama, already tried it, see above. Didn't work.
Next.