* The House subpoenaed Rudy Giuliani, Trump's personal lawyer, for a raft of documents related to his dealings with Ukrainian officials. * Biden Campaign Urges TV Networks to Stop Booking Giuliani. * New study raises questions about how fluoride affects children's development - CNN. * Just two Diet Cokes a day ‘increases your risk of deadly heart attack or stroke by 50%’. * The water is so hot in Alaska it's killing large numbers of salmon - Ryan Prior. * Nashville Catholic School Bans Harry Potter Books at Exorcist’s Advice. * A private school in Virginia said that a 12-year-old student who accused three boys of holding her down in the playground and cutting her hair made the story up. * The principal of Immanuel Christian School-where Vice President Mike Pence's wife, Karen, teaches-said the school is relieved to learn the truth. * FEC chief targets news she doesn't like - Holding symposium on 'disinformation' - WND.com.