Original sentence: Christie has also been criticized by Democrats for attempts to tarnish candidates facing election; the most notable instance of this was Christie's well-publicized subpoenaing of Senator Robert Menendez during his contested 2006 campaign, just two months before the election
Edited sentence: Democrats complain that Christie attempts to tarnish candidates facing election; the most notable instance of this was Christie's well-publicized subpoenaing of Senator Robert Menendez during his contested 2006 campaign, just two months before the election