The gathering in Moscow on March 1 was organized by Radio Liberty in Exile, a group of fired Radio Liberty journalists and their supporters.
Sergei Kovalyov a Russian human rights activist and politician and a former Soviet dissident and political prisoner.
The video is in Russian.
Выступление Сергея Ковалева на встрече друзей Радио Свобода “60 лет в борьбе за права человека”. Встреча организована сообществом журналистов “Радио Свобода в изгнании”. 1 марта 2013 года. Москва.

Link to Video.