new questions for Mike

Hi Mike,
I propose a new post here since the last one is full. Here comes my new questions  from VOA agriculture report. 

The law makes the Food and Drug Administration responsible for preventing foodborne illnesses. Experts say this is a change 
from the role that the FDA has played in the past in reacting to disease outbreaks.

Congress passed the law after a series of outbreaks linked to bagged spinach, peanut butter and other foods. Margaret Hamburg
is commissioner of the FDA.

They occurred because of problems that would have been addressed by these kinds of approaches. So I think, you know, we’re 
very optimistic that we will begin to see real change.”