Continuum reveals the most unexpected drawback of changing the future

In Continuum, at this point, almost everybody seems to accept that traveling back in time from 2077 to 2012 will allow them to change the past, creating a new and different version of 2077. So at this point, everybody's just trying to put his or her own stamp on the future. Except there's one major problem. »6/15/13 1:00pm6/15/13 1:00pm