Complex sentence: Politically, Mingo County is well known for its opposition to current President Barack Obama, despite being one of the most Democratic counties in America; in 2008, Obama netted only 8 percent of the vote in the Democratic primary, one of his worst performances.
Split into simpler sentences: Politically, Mingo County is well known for its opposition to current President Barack Obama. In 2008, Obama netted only 8 percent of the vote in the Democratic primary, one of his worst performances.