that's the first point to make. the second point to make is this is not a route out for civilians into a safe haven, it is a route out into a government-held area given the scale of the destruction visited upon by east ghouta, wolf. it's very unlikely that many of the 400,000 people trapped in the city would take the opportunity. there could be one group of people for whom there is an exception. that is many hundreds of people who are in critical need of medical attention. they may well take that route offered if, indeed, it materializes. but the problem is, wolf, it's only a five-hour window, the implication being that syrian and russian forces for the rest of that 24-hour period will go back to business as usual, which has been raining bombs and reportedly pouring gas down on 400,000 people. wolf? >> and more death and destruction coming in this never-ending battle over there. sam, thank you very much.