So you only need to get 50 percent of the votes to pass a bill in Congress right? Well, not quite, says Brookings Institution Fellow Molly Jackman. In fact, the rules in the legislature have an enormous impact on what happens with a law and with government policy. Of course, we're seeing that played out in Washington right now with the looming shutdown of the government. So how do those rules affect what happens and do we need to reform those rules?