escort at the center of the secret service scandal. and certain models being banned from the pages of vogue? tyra banks comes outfront. well, good friday night to you. i m erin burnett. crack down in china. just as a breakthrough appears possible in the case of blind chinese activist chen guangcheng the chinese government is clamping down harder on other voice of dissent. there s word of the government cracking down on those who criticized the government s authoritarian role. human rights in china said they haven t heard anything from activist for several days. you re looking at an active tweeter, and she announced she was under house arrest. a human rights lawyer was reportedly detained an beaten. he tried to visit chen in the hospital thursday evening. then that s one known by her english name, pearl. she s the woman who helped chen escape his house arrest in the dead of the night, took him to the embassy. she was detained herself. we were told that she was released y