“How many terrorist attacks do you think we will suffer in the United States in the next year?” journalist and author Steven Brill asked the former Homeland Security Secretary Tom Ridge and current Secretary Jeh Johnson on Thursday. Ridge refused to “speculate” on a number, but he said terror attacks are inevitable: “Let’s reflect of our past 15 years. We’re safer now than we’ve ever been. There’s still gaps; let’s close the gaps and let’s accept it. And don’t ever, ever change what we do because we’re fearful of another attack. Because another attack is going to happen.” […] Current...