The EPA generally regulates the usage of pesticides while the USDA, and EPA ensure food safety, so the EPA is responsible for the regulation of pesticides.
Explanation:
cause they suck and want to make money
I think it's both the railroad inspector and the driver who drives the car. The railroad inspector didn't come fix the problem and the driver didn't take his car to the shop to get his problem fixed. So honestly, it's both their faults.