Barack Obama:

“If John McCain wants to have a debate about who has the temperament and judgment to serve as the next commander in chief, that’s a debate I’m willing to have”

“John McCain likes to say that he’ll follow bin Laden to the Gates of Hell — but he won’t even follow him to the cave where he lives!”

“It’s not because John McCain doesn’t care. It’s because John McCain doesn’t get it.”

“The record’s clear: John McCain has voted with George Bush 90% of the time. Senator McCain likes to talk about judgment, but really, what does it say about your judgment when you think George Bush has been right more than 90% of the time? I don’t know about you, but I’m not ready to take a 10% chance on change.”

… and a classic quote from Al Gore about McCain:

“The same policies all over again? Hey, I believe in recycling, but that’s ridiculous.”

Read/Watch Barack’s Full Speech