Most Americans alive 20 years ago remember where they were on Sept. 11, 2001. As our nation refocuses on that searing event, it will be tempting to pay attention to the lessons we’ve learned in the decades since when it comes to dealing with foreign threats and to homeland security. These are, of course, crucial. But in the wake of the 9/11 attacks, we also learned some important lessons about Congress and how it works and about the benefits to the country of a truly bipartisan approach to difficult issues.
