Nixon in 1970:  by the year 2000 we’ll have a cure for cancer, flying cars, and the like.  Fukuyama in 1990 at the fall of the USSR:  we are at the end of history, liberal democracy is victorious.   Peter Thiel’s summary of human progress for the past 50 years:  instead what we’ve got is the ability to buy crap on-line, take and post selfies, and renew our auto registration w/dealing with dmv’s functionaries.  Lol