Chris Matthews, on Wednesday's "Hardball," admitted Barack Obama, along with his wife Michelle this time, gave him yet another "thrill." The MSNBC host gleefully described his feelings at seeing the Obamas arrive in England for the G20 summit this way [audio available here]: Well there is something cool when they were both - there's a nice ‘60s term. When they were both walking to the helicopter the other day, Marine One, there was something like, when he looked at her, you could just tell he said, "Isn't this something?" You know you could tell like they were experiencing the-, the,...