Answer: No, salvation is by grace alone through faith alone in Christ alone, not by works.
One can be saved even if one is a member in a Roman Catholic church, a fact that the Reformers agreed with. The question of separation has never been about salvation, but about obedience to Christ's commands.
This is centuri0n, aka Frank Turk, who has been an internet apologist for about 10 years and has never really gained anything for himself through it but a handful of friends and a lot of ill-will. Most people, honestly, do not like to argue with him because he doesn't know how to let it go. He's a blogger of some minor note, and he's a "calvinist".
