'FAT' table rows

[Bill Lee]

Hey all,
        I've noticed in Moz a lot of tables have 'fat' rows.  Could someone clue 
me in as to what's going on?  This page (for example) looks perfect in 
IE and N4.7+, but in Moz, the rows are much too fat...
http://www.benway.com/firesign/

Is this a Moz problem or the site's?

TIA!
bl