Found this at Powerline and thought you might enjoy making a contrast between 2 styles.
I know my answer to the question above because it is obvious that the man in the first picture has a much better idea about playing the game than the man in the other picture. He looks like he has bowled a strike.
It has been a long time since I went ten pin bowling, and yes I was doing it when I lived in the USA :). If you look at the picture of Richard Nixon when he let the ball go, his thumb is facing upwards. Now, I did learn that this is the pose you need for the ball to remain and not go all wobbly until it reaches the pins, leading to either a strike or with luck a spare.
Now looking at the two pictures, what I see is Richard Nixon most likely getting a strike. His pose is spot on with his thumb facing upwards, then I see Obama and his hand movement suggests to me that he is not familiar with ten pin bowling. His hand, as he lets the ball go is in the wrong position, and I suggest that what he got from that was a gutter ball.
His comparison to the retarded kids was probably not very far from the truth when you consider that he had absolutely no idea how to do ten pin bowling. The thing is that young men and women with mental disability who do ten pin bowling can probably get more strikes because they do know the right technique, but this mentally incapacitated person (because of his drug addictions) has not a single clue how to do ten pin bowling for a successful game.