When printing the page below in Safari/Chrome, the content (everything on the page, basically) is squished into the left side of the page, at about 60% of the page's width.
However, in FireFox and IE 7, the printed page shows the content as the full width (and looks quite nice, imo). I resized all the layout elements to 100% width (using !important to make sure they're applying), and Safari/Chrome still won't print out the full width.
Here's the page I'm referencing: http://archstl.org/commoffice/press-release/2010/local-catholic-principal-honored-fi
And here's an image of the difference between Webkit (first) vs. Gecko (second):