Complex sentence: Assemblyman Aghazarian briefly considered running against freshman Democratic Congressman Jerry McNerney in 2008; however, Aghazarian has instead decided to pursue a run for the State Senate in the 5th district, which is one of the few competitive Senate seats in California.
Split into simpler sentences: Assemblyman Aghazarian briefly considered running against freshman Democratic Congressman Jerry McNerney in 2008; however, Aghazarian has instead decided to pursue a run for the State Senate. He is running in the 5th district which is one of the few competitive Senate seats in California.