It gives an overview of many wedge issues in simple terms, with historical time lines, brief or in depth overviews, resources, where the candidates stand, etc. This is an excellent way to get educated and to formulate your own talking points and debate strategies. Indeed, I thought I knew the ins and outs of many of these issues but I learned a lot from this site. You might, too.
ProCon.org is a nonpartisan, nonprofit, 501(c)(3) public charity whose mission is "Promoting education, critical thinking, and informed citizenship by presenting controversial issues in a simple, nonpartisan primarily pro-con format."
Check it out.