We'll turn to the white house now where president obama is preparing to announce a major shift in the war on terror. He'll lay out new limits on drone strikes against terrorist targets and a new push... See More
We'll turn to the white house now where president obama is preparing to announce a major shift in the war on terror. He'll lay out new limits on drone strikes against terrorist targets and a new push to close the prison holding suspected terrorists at guantanamo. Jon karl is here with the details. He's been struggling with it for some time. Reporter: The president relied heavily on drone strikes to kill terrorists around the world. But now he's going to talk about the need to be more public about that, to let the public know more about what is happening in this highly secretive program. He is also going to talk about new limits that he has already put into place on the use of drone strikes, george, these are limits that will apply to him and to future presidents. As part of this effort to be open he acknowledged yesterday the administration, they have killed four americans tied to al qaeda with drone strikes over the past couple years. What about guantanamo? The president promised to close it at the very beginning of his first term. Hasn't made any progress at all. What's new here? Reporter: One of the president's greatest frustrations. He'll urge congress to close it. He needs congress to do it. In the meantime, he will talk about speeding up the transfer of at least some of those prisoners back to their home count countries, something started under president bush but stalled recently. Josh with the other top stories.
This transcript has been automatically generated and may not be 100% accurate.