OAXACA RADIO UNIVERSIDAD EN VIVOSecurity forces dont appear to have gained any ground freeing up highways in Oaxaca: there are more blockades today than there were before police began efforts to dislodge them last week. Police say more than 3,135 dissident teachers and activists with affiliated organizations are manning 18 blockades in six of the states eight regions.In Nochixtln, where at least six people died in a violent...