This is nothing less than economic terrorism, economic sabotage, malicious trespass and vandalism.
Hope Wal-Mart throws the book at them.
I just remarked to my wife that what always astounds me about the gaggle of "activists" and "protesters" over on the Left is their childish vindictiveness. For all their high-flown ( or is that "fly-blown?" ) words about "caring" and "making a difference" they are certainly callous towards the grunts on the ground who will have to empty their overloaded, abandoned carts.