I'm calling racism. As the granddaughter of two immigrants from Germany, I think they should be branded as racists.
I'm guessing his replacement will be an Argentine Bishop who is one fourth German, Brazilian, Italian, and "indigenous".
But wouldn't it be really cool if they got a pope from Africa? The church is allegedly making great strides there, and the Christians in many African nations (Catholic and Protestant) have suffered greatly for their faith. It could be a statement of understanding of their suffering to pick a leader for the world-wide church from that backround.
Obama already has a job for the next four years. Besides, not being Catholic would probably hurt his chances.