Just had a quick thought. If Barack Obama announces his VP pick tomorrow as he is widely expected to, where does this leave John McCain?
With the Beijing Olympic Games beginning on Friday (8th August), there is no time for McCain to announce this week.
Most peoples guess is that neither candidate will want to make any significant announcements during much of August due to the risk of competing for air time and coverage with what could be an unpredictable Games.
So that leaves McCain on the back foot for three weeks as Obama and Bayh hit the road and the airwaves telling the world their story.
With the Republican National Convention beginning just one week after the end of the Olympic Games, McCain has a very small window to stage the perfect announcement.