Original sentence: In 1991, Kasparov received the Keeper of the Flame award from the Center for Security Policy (a US think tank) for his contributions in development of democracy
Edited sentence: But Kasparov maintained his association with the neoconservative leadership by giving speeches at think tanks such as the Hoover Institute.He noted that he did not know about the membership and suggested he was included in the board by an accident because he received the 1991 Keeper of the Flame award from this organization.In 1991, Kasparov received the Keeper of the Flame award from the Center for Security Policy (a US think tank), for anti-Communist resistance and the propagation of democracy.In April, 2007 it was asserted that Kasparov was a board member of the National Security Advisory Council of Center for Security Policy, a "non-profit, non-partisan national security organization that specializes in identifying policies, actions, and resource needs that are vital to American security".Kasparov confirmed this and added that he was removed shortly after he became aware of it.Kasparov was an exceptional recipient since the award is given to "individuals for devoting their public careers to the defense of the United States and American values around the world"