http://www.mtholyoke.edu/acad/intrel/pol116/hegemony.htm

A concise analysis of hegemonic stability theory which discusses the main features of hegemons throughout history. It also includes a useful ‘additional reading’ section offering links to several scholarly discussions on whether the US hegemony is in decline.

http://www.foreignaffairs.com/features/readinglists/what-to-read-on-american-primacy

Peter Liberman compiles various academic pieces and commentaries on the question of US primacy in world politics today. It links to arguments for persisting US supremacy as well as those for the declining hegemony of the US.

http://www.lse.ac.uk/website-archive/newsAndMedia/videoAndAudio/channels/publicLecturesAndEvents/player.aspx?id=3596

Podcast of The Decline of the West in the New Asian Century?, a lecture by Financial Times columnist Gideon Rachman at foreign policy think tank LSE IDEAS on if China will surpass the US in global power.

https://www.npr.org/2011/06/30/137522219/what-does-a-post-american-world-look-like

Interview with journalist Fareed Zakaria, author of The Post-American World on what the world would look like after US unipolarity.