I would make sure that my breed, reptilians, were in all the chief government positions of the world:

Done.

I would make sure that my breed, reptilians, were in all the chief economic positions: wealthy, bankers, investors, etc.

Done.

I would make sure that my breed, reptilians, controlled all the news media:

Done.

I would take down the the democratic nations that offer the world an alternative to police states:

Done.

I would control all the worlds intelligence: Research and development, scientific knowledge, etc

Done.

It's all done.