When viewed at coarse granularity, the candidates from both parties often look quite similar.
During the 2004 Presidential Election, Americans chose between two white, male, "C" students from Yale, both of whom were born during the '40s.
Differences can often only be discerned with a detailed inspection.

Instructions
Move the mouse towards the top to increase the contribution of Kerry to the image.
Move the mouse towards the bottom to increase the contribution of Bush to the image.
Move the mouse towards the left to reduce the coarseness of the image.
Move the mouse towards the right to increase the coarsenes of the image.
Hold down the left mouse button to see circular grains.
Hold down the right mouse button to see triangular grains.

Built with Processing