Sentence:  If, following Nietzsche, the real world has become a fairy tale and there are no facts, only interpretations, then <WSD>mediology</WSD> becomes ontology, the media construct reality, in agreement not only with Baudrillard, who regarded the Gulf War as a pure media invention, but also with Karl Rove, who famously believed that imperial power is capable of constructing reality. 
Meaning of the word marked with <WSD> tags:  The use of mass media.