enterprises, ostensibly private companies. hackers of all shapes and sizes, researchers, businessmen, people working for a variety of reasons, some witting, some unwitting, on behalf of the chinese government. it's a serious threat. >> mr. deputy attorney general, what do you say to critics who argue the justice department is being used for political purposes at a time of heightened tension between the u.s. and china -- >> you have been watching the deputy attorney general updating on a number of investigations, including seeming to telegraph an announcement on his role overseeing the russia probe later today. we have new news into cnn. it's been that kind of day. our senior white house official tells cnn it's possible president trump will decide not to back down on the wall fight as a result of growing pressure from the freedom caucus and conservatives. we're joined by our david gergen here. so it appears, we were talking about this a few moments ago,