ActBlue co-founder Matt DeBergalis invoked his Fifth Amendment rights Thursday during a congressional deposition examining whether the Democratic fundraising platform’s fraud safeguards allowed illegal foreign donations to enter U.S. elections. DeBergalis appeared behind closed doors before investigators from the House Administration, Oversight and Judiciary committees. The deposition lasted less than 30 minutes, according to Fox News Digital. The three Republican-led committees are jointly investigating ActBlue, a major fundraising platform that has processed billions of dollars for Democratic candidates and liberal organizations. Invoking the Fifth Amendment is a constitutional right and does not establish wrongdoing. ActBlue has repeatedly denied violating campaign...