Trust-busting was a thing in the past, Teddy Roosevelt was known as the trust-buster, and ran against Taft with the Bull Moose party, splitting the R vote. Taft actually was more prolific with trust-busting than Teddy, it may be his biggest presidential legacy.

Gary Kasparov pointed this Taft fact out as well, so people are thinking about the need to break up monops.

I sort of worry with a global system, you break up a local monopoly, will a foreign monopoly take over the vacuum?