The chances of war between the US and China are about as likely as Bristol Palin scoring a full ride to Harvard. The economies of the US and China are so intimately intertwined that if the connections were to be severed, both nations would tank almost overnight.
This is nothing more than standard Chinese posturing.
While I agree to an extent, regarding that trade between the two countries is so important (and this might help any doves on either side), this still didn't stop WW1 and WW2.
True, but prior to WWI, international trade tended to be primarily raw resources, and the national acquisition by force of those foreign resources was a major factor in the commencement of hostilities. And WWII was really just Round Two of the same war.
The dynamics of international trade were simply different than they are today, when trade tends to consist of mostly manufactured goods rather than raw resources (unless you consider energy resources, and there are plenty of people who advocate a WWI style solution to that today...).
Back then, acquiring territory by force was seen as a means of increasing national wealth and stability by securing control of strategic resources such as coal, iron, etc. As land was seen as the standard of wealth, the more land the better. Today, the measure of national wealth is considered more in terms of manufacturing capacity, money, and control of information/technology. It's just a different economic dynamic. An attempt to gain control of these things by force from another nation would almost certainly result in the destruction of the very thing you desired.