9/11 anniversary underscores unfinished business at DHS

On the anniversary of 9/11, the 21 years since the horrible attack on our nation reminds us that we still have a great deal of work to do, particularly to protect our country from global catastrophic threats. I was honored and privileged to serve President Bush and Homeland Security Advisor, Gov. Tom Ridge, in the post 9/11 White House, a dramatic and uncertain time to say the least. After Gov. Ridge left Pennsylvania to take leadership of Homeland Security at the White House, he and our team were greeted on Day...