Sen. Mitt Romney, R-Utah, harshly condemned former Rep. Tulsi Gabbard, D-Hawaii, for comments she made in recent days about U.S. biological laboratories in Ukraine, Business Insider reported Monday. "Tulsi Gabbard is parroting false Russian propaganda," Romney tweeted. "Her treasonous lies may well cost lives." Russia has spread a baseless claim the U.S. is funding the development of bioweapons in labs in Ukraine, a move which the U.S. warned could indicate that Moscow is planning to use chemical weapons against Ukraine, according to Business Insider. In response to Romney's comments, Gabbard on Monday wrote on Twitter: "You have called me a...