For anybody also having a hard time reading that partially folded flag, or finding the text within the 1000 words article, it's this:
"When the power of love beats the love of power the world knows peace"
Agreed with the other comment, that's the most useless sign ever.
Apparently, the share of the population on food stamps in the US is more than 2 times larger than in Brazil...
We see things happening there, but it's never clear how deeply it goes.