President Barack Obama and GOP nominee Mitt Romney square off tonight at 9 p.m. ET at Hofstra University in Hempstead, N.Y. There has been much controversy surrounding the town hall format for tonight's debate, with both sides reportedly concerned about how active a role moderator Candy Crowley will play in helping to steer questions from undecided voters, this year's most elusive demographic.

We posed this question to readers: If you were attending tonight's debate between President Obama and his rival Mitt Romney, what would you ask them? Here, some of their thoughtful responses.