As Governor Youngkin makes his way through Europe on an international trade mission, he's announced a new partnership.Preview: A third of Americans may have had their data stolen in a health care hack. That's what UnitedHealth CEO Andrew Witty estimated testifying before Congress. He talked about a February ransomware attack on a UnitedHealth Group subsidiary that affected pharmacies across the U.S. Witty said in written testimony that it will take "several months" for the company to identify and notify those impacted by the hack as it continues to go through the stolen data.