The following talks can be found by searching the Church Publications Database at http://library.lds.org/

Ballard, Elder M. Russell "Let Our Voices Be Heard," Ensign, Nov 2003, p. 16

General Conference address encouraging members to counter the rising tide of immorality.

Hinckley, President Gordon B. "In Opposition to Evil," Ensign, Sep 2004

"I am not one to advocate shouting defiantly or shaking fists and issuing threats in the faces of legislators. But I am one who believes that we should earnestly and sincerely and positively express our convictions to those given the heavy responsibility of making and enforcing our laws. . . . God give us the strength, the wisdom, the faith, the courage as citizens to stand in opposition to these and to let our voices be heard in defense of those virtues which, when practiced in the past, made men and nations strong, and which, when neglected, brought them to decay."

Oaks, Elder Dallin H. "Religion in Public Life," Ensign, Jul 1990, p. 7

Oaks, Elder Dallin H. "Religious Values and Public Policy," Ensign, Oct 1992, p. 60

From an address given 29 Feb 1992 to the BYU Management Society, Washington, D.C.

Packer, Elder Boyd K "Balm of Gilead," Ensign Nov 1987, p. 16

General Conference address encouraging peaceful resolution of conflict.