This is one of the best summaries of the geo-strategic implications of a rising China. Those physicists at JHU have good taste in seminars ;-)
I generally listen to videos and podcasts at ~1.5 - 2x speed. Combined with the reduction in schlepping, this makes them far superior even to talks on campus. If I have a question for the speaker, I can often email them directly for the answer! Of course, the highest bandwidth path into the brain is still through reading .
Earlier posts (with more video):
Red Star over the Pacific and The Thucydides Trap
Asia's Cauldron: the South China Sea and DF-21D ASBM
The Tragedy of Great Power Politics?
Keep your head down, and smile
 Charles Munger: I have said that in my whole life, I've known no wise person over a broad subject matter area who didn't read all the time--none, zero. Now I know all kinds of shrewd people who by staying within a narrow area can do very well without reading. But investment is a broad area. So if you think you're going to be good at it and not read all the time, you have a different idea than I do.... You'd be amazed at how much Warren [Buffet] reads. You'd be amazed at how much I read.