By Eric Bradner, Steve Contorno, Patrick Svitek, CNN (CNN) — It didn’t take long for the personal attacks to fly in Thursday night’s debates for three marquee Senate races in Georgia, Michigan and Maine. Georgia Sen. Jon Ossoff opened by effectively putting Republican Rep. Mike Collins’ record on trial, highlighting his association with a white nationalist and what Ossoff called his “childlike devotion” to President Donald Trump. In Michigan’s open Senate race, Republican Mike Rogers attacked Democrat Abdul El-Sayed in personal terms, repeatedly calling him a “con man” and questioning his credentials as a doctor. El-Sayed in turn mocked Rogers:...