Bush's whole premise in this is that he does not want to be a political pundit. And he feels deeply that a former President should NOT talk ill of the current President, or try to tell the current President what he should do. Recently he blasted Clinton for doing that.
President Bush is just showing again that he is a very classy man, and doesn't want to take the lime light from Romney. Who him, and his dad are both supporting.
If the DUmp douches don't like it, they can go shove it. Besides, they need to worry about people not showing up at their convention more, as 30+ dems have already said that they will not be going.
Now Sarah Palin is going to be there, and from what I am hearing, going to speak. There is something to make their back hairs stand.