[temphn]

Now all we need to see for the other side of the story are the Soviet archives. Given that the Soviets were behind most worldwide communist revolutions (including the Cuban, North Korean, Ethiopian, etc.), did they plan to do something with/to Mossadegh via their Tudeh puppets in Iran like they did in neighboring Afghanistan later on?

http://en.wikipedia.org/wiki/Democratic_Republic_of_Afghanis...

[madaxe]

No. Stalin died in March '53, leaving a directionless power vacuum until September, when Khrushchev took over. This was almost certainly a factor in the timing of the coup, as the US wanted to seize the opportunity of the USSR's disorganisation to carry out a coup on their doorstep with nominal at worst repercussions.