I am not going to pontificate here. I will let President Reagan's words speak for themselves.
There are two links, a short one for the time constrained visitor (3:59, and the full speech (26:42).
http://www.youtube.com/watch?v=WjWDrTXMgF8&feature=youtube_gdata_player
http://www.youtube.com/watch?v=5MDFX-dNtsM&feature=youtube_gdata_player