According to the CBS News preview of the story, Steve Kroft interviewed former senator Bob Graham, former congressman and CIA director Porter Goss, former 9/11 Commission members Bob Kerrey and John Lehman, lawyers representing 9/11 family members suing Saudi Arabia and former congressman Tim Roemer, who served on both the inquiry that produced the 28 pages and the 9/11 Commission that followed that inquiry.

Report to Air on Eve of Obama Visit to Saudi Arabia

The high-profile 60 Minutes segment—which is positioned for high viewership as it follows coverage of the Masters Tournament—comes at a particularly sensitive time for the White House, as the president will visit Saudi Arabia on April 21. 9/11 family members say that, in 2009 and 2011, Obama assured them he would declassify the 28 pages, yet that promise has gone unfulfilled.