Assuming you have the correct fonts loaded, it's Lucida Grande and Baskerville.
The body is calling: lucida grande, verdana, tahoma, helvetica, arial, sans-serif
The subheads are calling: baskerville, 'itc new baskerville', georgia, times, serif
Headline graphic looks like Baskerville too.
You can get the info for most sites by looking at the source code (View-->Source in IE) and doing a search for the font face tag. In this case, it's a style sheet, so you need to look for the .css reference, then paste that filename (with any subdirectory path) into your browser address bar. Then look for the font references.