Tom Ridge has 'reflections and regrets' 20 years after opening Department of Homeland Security
Former Department of Homeland Security Secretary Tom Ridge speaks during an event to mark the 15th anniversary of the Department of Homeland Security, March 1, 2018 in Washington, DC. (Photo by Drew Angerer/Getty Images)

This was my second draft notice. The first came from Richard Nixon in 1969 and took me to Southeast Asia. More than 30 years later came notice number two, this time from George W. Bush. The president called me to leave my post as Pennsylvania’s governor to serve in the White House Office of Homeland Security. I accepted the call to duty, knowing full well the challenge that awaited. Some people had cautioned me not to take on the assignment. They warned it would be impossible to succeed. I never saw it that way. On Sept. 11, 2001, terrorists attacked our nation, a manifestation of evil. I want...