U.N. official addresses Front Line Defenders gathering
Survey released ahead of U.S. envoy visit to region
Envoy has visited more than 20 countries since April
Advocates protested government officials during opening plenary
Ambassador says violence indicative of countryās challenges
Randy Berry, gay Peruvian congressman to take part
Randy Berry took part in briefing with advocates, congressman
Advocates met with Randy Berry on July 14
Activists invited to OAS General Assembly in D.C.
Envoy just returned from 11-day trip to region