She's "dominating the news" because Big Media has made a conscious, collective decision to give her air time and column-inches. They manufactured her, and they're manufacturing her importance. Big Media is Fake News, all the time.
I get most of my news from solid, conservative print sources and she is getting plenty of coverage.
She is news because she is pushing the envelope for the communist effort in the U.S.
She is the face of the enemy. We ignore her at our peril.