. >> tom, looking at boka haram it has been operating in a deadly fashion for a number of years now.ny idea why the u.s. has taken so long to do what it has done? >> well, one possibility is political. this announcement came just a couple of hours before the united states congress. the lower house foreign affairs committee is due to hold a hearing for the first time it documents accounts atrocities committed by boka haram including one christian man who was shot in the face and how he repeatedly refused to deny his faith in the face of this group which is an militant and extreme islamic group. it might be mentioned that one former american ambassador has sounded a note of caution here whether it's an advisable move at all for the united states government to make such a move at this time. john campbell said prior to this announcement that he thought that boka haram does not pose a threat to the american moment land and further american interests in northern nigerian are few, an, and americans couln fact, become targets of boka haram. >> tom, we thank you very much, indeed. in washingt