Vanguard lets you create completely independent blog pages that display different categories in each page, and the theme includes 2 different blog page templates.
To add a blog page just add a new page in WordPress and select one of the available blog page templates, and select which categories you want to display:
[image img=”http://vanguard2.unispheredesign.com/wp-content/uploads/2012/12/multiple_blogs_admin.jpg” alt=”Multiple Blogs” /]