PHOTO: JONATHAN ALCORN/REUTERS This year, Black Friday sales dropped 11% nationally.  While we can’t pinpoint the exact reason why this happened, two very significant events occurred on this shopping day, which contributed to the decrease. First, thousands of workers across the U.S. faced off against Walmart on Black Friday.   The Black Friday Protests were orchestrated by workers and the United Food & Commercial Workers International. They demanded to raise the minimum wage to