Video Core 4 - Jim Kirkpatrick 0 Comments Bookmark Main Site Sign in Page Don't have an ATD account? Don't have an ATD account? Forgot your Password? Already an ATD customer without a web account? Institutional subscriber? Click here to sign in. Share Core 4 speaker Jim Kirkpatrick provides a sneak peak of his Core 4 session. Be the first to comment Sign In to Post a Comment Sign In Sorry! Something went wrong on our end. Please try again later.