Changes in the geopolitical order:

https://www.youtube.com/watch?v=I1rd3hC1yhE 

Global shifts in power:

https://www.ted.com/talks/joseph_nye_on_global_power_shifts?language=en

https://www.youtube.com/watch?v=X8Luk51F2lI

The nation-state and globalization:

https://www.youtube.com/watch?v=0duiUmGkLMo

https://www.youtube.com/watch?v=oByRTj9GSx0