I forget who suggested it, but someone mentioned that Chinese leaders were worried about a Chinese version of the Arab Spring. They shut down news coming from outside China. This person said if China decided to dump Treasuries to destabilize our economy, we should start hacking the Chinese to put outside news into their country.
We don't need their money -- the Fed's keep printing up all they want.
How this works is beyond me. I'd have figured that our US dollar would have been rivaling the worth of the Mark of the 1920s Wehrmacht Republic by now -- but apparently our dollar, and printing presses, defy gravity.
The Fed will step in and just buy them if necessary. Nobody in the US even pays attention. Give us more Caitlyn!