President Obama: Cool under Pressure?

In these pictures, President Obama is portrayed after the Gulf Oil Disaster.  Each picture tells something different about his personality and his composure.
In this picture, Mr. Obama seems concerned, but still collective of his abilities.  His facial expression visualizes his concern.  The tense upper lip, and the lowered eyebrows are the best visualization of concern.  The camera also helps with the visualization of concern, the camera being above his eyeline emphasizes the facial expression with particular emphasis on his forehead and eyebrows.

In this picture, Mr. Obama seems more relaxed than in the other picture.  The relaxed look comes from his facial expression.  He is smiling, and his posture also looks relaxed.  He appears to be having a conversation with some friends in this photo.  The surrounding people in the foreground help the relaxed look, because many of them are smiling as well.  The background portrays a different picture, however, the people in the background have binoculars and one person in on the phone.  The background gives more of a concerning look.
The top picture shows that Mr. Obama has true concern, and the bottom shows that he can keep himself calm and collected under pressure.