In this lecture at the Muslim Youth Movement of Malaysia (ABIM) Annual Muktamar in Malaysia (August 2006), Syaikh Gibril Fouad Haddad, may Allah preserve him, talks about the value of the Shahadah. This is specifically in response to the campaign of apostasy waged by liberals and missionaries;

http://www.sacredknowledge.co.uk/video/shaykh-gibril-the-value-of-the-shahadah.html

May Allah continue to support our support our Syaikh, defender of Ahl al-Sunnah.