Election tech company Dominion Voting Systems is rebutting assorted claims of partisan bias and voting manipulation in the 2020 election, including rumors of a secret U.S. military raid on purported servers in Germany and ownership interests and other influence in the firm by prominent Democratic families. At the same time, Dominion has confirmed reports it made a donation to the Clinton Foundation and hired a former Nancy Pelosi staffer as a lobbyist. Dominion has been at the center of a firestorm since Nov. 3, when its election management software, which is widely used across the country, led to an unofficial...