Complex sentence: Despite objection by the Wanggaard campaign, the Wisconsin Government Accountability Board refused to strike the votes as invalid it pointed out that it would be not easy to determine which ballot was used by someone who signed the poll book and which was not.
Split into simpler sentences: Despite objection by the Wanggaard campaign, the Wisconsin Government Accountability Board refused to strike the votes as invalid. The Government Accountability Board pointed out that it would be not easy to determine which ballot was used by someone who signed the poll book and which was not.