Support WBUR'Sick And Tired,' Residents In Southern Mexico Defend ThemselvesPlay04:16Download AudioCarrie KahnJanuary 27, 2013 ShareMasked and armed men guard a roadblock near the town of Ayutla, Mexico, on Jan. 18. Hundreds of men in the southern Mexican state of Guerrero have taken up arms to defend their villages against drug gangs. (AP)