>> now, though, the white house is changing its reasoning for moving so quickly on the prisoner swap. and they emphasize the reason timing matters is they're required by law to give a 30-day notice to congress when they're going to transfer anyone out of guantanamo. they failed to do so in this case. they gave a reason. the first reason was bergdahl was sick. >> his health was growing more fragile. he had lost a good bit of weight, and we were very concerned that time was not something we could play with. >> now officials, though, are moving off the health issue and telling lawmakers their concern was that bergdahl could have been killed. >> they had intelligence that had even the fact of these discussions leaked out, there was a reasonable chance bowe bergdahl would have been killed. >> "outfront" tonight, cnn political commenter sally kohn. all right, sally, why can't the white house get its story straight? >> well, i don't know that they