From Jeff Zeleny and Ashley Parker's great, new look at the Veepstakes in the New York Times.
Mr. Romney has formed some early impressions, according to several Republicans who spoke on the condition of anonymity: Mr. Christie is often late, as he was during a $5 million fund-raising dinner in New York City last month.
After a few uncomfortable moments, Mr. Romney finally had to take the stage and speak first. When Mr. Christie did arrive, it was left to Mr. Romney to introduce him to the crowd.
The so what factor to that is that it might add to the idea that Christie is a wildcard.
Every little thing counts at this stage in the VP evaluation, and small things can reinforce big images.