To play YouTube through VLC you need
1. Install:
VLC 2.0.1 (In folder Applications -> "/Applications/VLC.app")
MacPorts
2. Install curl-ca-bundle through MacPorts
sudo port install curl-ca-bundle
3. Add new SSL certs to VLC
mkdir -p ~/Library/Preferences/org.videolan.vlc/ssl/certs
ln -s...