Related: Security

1. More security
   1. Flood of terrorism data muddies watch lists
   2. US confirms 4 Americans died in drone strikes
   3. 'Crazy': Pay for Ft. Hood suspect is slammed
   4. FBI agents fell 'significant distance' to their deaths
   5. National Guard: 'Words can't describe' the Okla. damage
2. More US news
   1. Millions will cross deficient bridges this weekend
   2. Bittersweet victory for gay adults kicked out of Scouting
   3. Judge: Patrols of 'toughest sheriff' are racial profiling
   4. Principal, teachers recount tornado hitting Oklahoma school
   5. Bus, tractor-trailer collide, injuring at least 16
3. Related videos
   1. 
      Video
      Obama sets out to clarify position on two thorny security issues
   2. 
      Video
      How does history put Obama’s drone decisions in context?
   3. 
      Video
      Is the US entering a new phase in the fight against terror?
   4. 
      Video
      'Unfinished agenda' from Obama's first term surfaces in drone speech