that was a really top episode. The suicide bomber plot line (and all the 2ry aspects) were nothing new, but I think they realised that and just presented it all in a really understated* way that still provided some tension.
The russkies-yanks story arc was nicely advanced too.
*[I have no wish to see a guy's brains blown over his surroundings, thank you - I'd rent Rambo III for that!]