Keith Walker gives an outstanding talk using very up to date references from Mormon Authorities, showing the high demands that are placed on Mormons that can never be met, and don't save anyone.
Rob Sivulka of Courageous Christians United gives an excellent talk outlining the need to reach Mormons and the fact that you are not going to please everyone by doing this ministry. Pleasing God and reaching the lost is to be our goal.
Keith Walker of Evidence Ministries lays out the fact that within Mormonism its impossible to be saved as the standards are impossibly high. This talk shows this and then helps you share the Biblical gospel of grace with them.