Complex sentence: More controversial restrictions include those laws that prohibit convicted felons from voting, even those who have served their sentences, or, as seen in "Bush v. Gore", disputes as to what rules should apply in counting or recounting ballots.
Split into simpler sentences: More controversial restrictions include those laws that prohibit convicted felons from voting, even those who have served their sentences. Another example, seen in "Bush v. Gore", are disputes as to what rules should apply in counting or recounting ballots.