Just because you say it, doesn't mean it's true. 

President Trump held a rally in Duluth, Minnesota and Fox News claimed that they were the only cable news network to carry the rally live. 

First of all, it's a political rally and covering it live is really nothing more than a free commercial for Trump to tell lies on live TV. Also, as you can see by the screen shot below, Cable news network i24 also covered the rally live.