If the Russian FSB does false-flag attacks on its own citizens, why the efforts to bury the story in the US?

Gawker.com (of all places) translates this story into Russian:
BANNED IN RUSSIA
Эй, вы можете прочитать запрещенную статью GQ про Путина здесь
http://gawker.com/5352827/

Larisa Alexandrovna has been pursuing the FSB apartment bombing story, in this update she covers the GQ censorship, and quotes from coverage by 9/11 Truth-trasher and Goldman 'Vampire Squid' Sachs 'conspiracy theorist' Matt Taibi:
GQ buries Russia's FSB false-flag ops...
http://www.atlargely.com/atlargely/2009/09/gq-buries-russias-fsb-falseflag-ops.html

Why 'GQ' Doesn't Want Russians To Read Its Story
by DAVID FOLKENFLIK
http://www.npr.org/templates/story/story.php?storyId=112530364
September 4, 2009

For war journalist Scott Anderson, the most confounding part of his recent assignment for GQ magazine to explore the root of terrorist acts in Russia a decade ago wasn't the suggestion of treachery and subterfuge he found.