MAGA MAN
Let's go Brandon!
I'd start by going after the Department of Agriculture. Their policies have been destructive to the nation and I believe it would be the easiest to dissect, even with partisan politics.
Mandatory Budget: $123 Billion
Discretionary: $23 Billion
Top Level Summary of 2014 Budget: http://www.whitehouse.gov/sites/default/files/omb/budget/fy2014/assets/agriculture.pdf
USDA Summary (much more detail): http://www.obpa.usda.gov/budsum/FY14budsum.pdf
The USDA Summary is a long read so I'm going to take my time with is, but just to get you guys started I provided the links for easy access...
Have you ever seen how many buildings they occupy in DC? They have enough square footage in office space to grow crops and feed Africa.