Link Mediafire
http://www.mediafire.com/?nkh1cykefv1dg

Password : www.rgamer.cz.cc

You can't completely change the audio from Russian to English. Issuing commands is in english but when it comes to a cut scene it's in Russian.
At this location it only has Russian audio files C:\Games\R.G. Catalyst\Tom Clancy`s Rainbow Six - Vegas 2\KellerGame\Localization