What is the fine-grained topic of the following text: Also, new US Commerce Secretary Wilbur Ross is thought to be considering the formation of a “very sensible” agreement with Mexico that proposes a deal more like the Trans-Pacific Partnership (TPP), where the US and Mexico could forge bonds to create a “mutually beneficial regional powerhouse,” according an unknown source. Only return the topic.
Formation of a new US-Mexico agreement similar to the Trans-Pacific Partnership by US Commerce Secretary Wilbur Ross.