Complex sentence: In 2014, he ran for re-election as state's attorney of Chittenden County, choosing not to challenge incumbent William Sorrell but he is running in the Democratic primary for Vermont Attorney General in 2016.
Split into simpler sentences: In 2014, he ran for re-election as state's attorney of Chittenden County, choosing not to challenge incumbent William Sorrell. He is now running in the Democratic primary for Vermont Attorney General in 2016.