Why are some Old Testament laws nullified by the New Covenant, but others, like the 10 Commandments, are not?

Walled Lake Campus Audio

Older sermons are archived at the Internet Archive and you can view this sermon there.

Pastor Frank Graves continues our "MythSolvers" series as he guides us through the question, "Why are some Old Testament laws nullified by the New Covenant, but others, like the 10 Commandments, are not?"