PATTAYA, Thailand — After her friends were killed in transphobic attacks at home in Brazil, Ariella Moura's aim was to make a statement against gender discrimination on Saturday at the world's top transgender pageant in Thailand.The annual Miss Tiffany's Universe pageant brings together 21 international contestants showcasing their beauty but also spreading a defiant message for equality from across the globe.The pageant's winner, Mexico's Valentina Fluchaire, was presented her sash and tiara by