Raising the level of political dialogue

Back on January 9, 2008, Sen. John McCain, fresh off his New Hampshire primary victory, sat for an interview, during which he stated a clear desire to raise the level of political dialogue in America:

“I’m going to raise the level of political dialog in America,” McCain, R-Ariz., said at a campaign rally in central [...]

Isn’t that a little hypocritical?

So I’ve got a question.

Why is it perfectly okay for a Republican candidate like Sen. John McCain to attack the Democratic candidate – in this case Barack Obama – but if Obama attacks back, that’s suddenly not acceptable?

I ask that question because that seems to be the mentality of some on the right [...]