More will be written about this later. For now, here is the link.
Please pass on and share.
Also, here is a link to a paper written by a graduate student in 2009.
The paper concerns the same topic as the White House petition linked above. Food banks and soup kitchens need the credibility of the federal government to "leverage" more donations, which means the federal government, itself, publicizing the Bill Emerson Good Samaritan Food Donations Law.