Seven Republican presidential candidates on Wednesday night took the stage for their second debate, this time at the Ronald Reagan Presidential Library in Simi Valley, California. Fox News Channel host Dana Perino, Fox Business Network host Stuart Varney, and Univision anchor Ilia Calderon co-hosted the two-hour debate, which often turned highly contentious, with the candidates talking over and arguing with one another. Source: 7 Key Moments From Second 2024 GOP Primary Debate