Complex sentence: In 2010, her findings were mentioned by Democratic political strategist and commentator, James Carville, and subsequently various news programs and journalists began to call for her insight and she started appearing on television news shows as a guest commentator.
Split into simpler sentences: In 2010, her findings were mentioned by Democratic political strategist and commentator, James Carville. That led to various news programs and journalists calling for her insight, and she started appearing on television news shows as a guest commentator.