Originally Posted by MagicHef
SPOILER: ( Now that I think about it, weren't the eggs considered basically nothing more than pretty rocks? No one thought they could hatch, because magic had been disappearing from the world. In fact, Varys hates magic, so I don't think any part of his plan included depending on magic to give one of his pawns an absurd amount of power.
I'm guessing that giving Dany to Drogo was basically his way of getting rid of Dany and Viserys, making room for Aegon. )
The first part of that is certainly possible. Not so sure about the second. I'm sure some plans changed over the course of time since no one short of a diviner could really have dealt with all the variables.