Obama times: Yes we draw. Bars as long as they actually are. No problem at all in Obama country:
The Wall Street Journal draws them over the whole page (click for full view).
In the German newspaper Die Welt, the chart has been struck by lightning (left: original, right: me). The flash makes the chart absurd. A table would be better. On the right I drew how it should be.
Wall Street Journal, 2006-11-21, p. C4; Die Welt, 2008-08-13, p. 26.