Livid lower Manhattan residents went off on Zuccotti Park protesters at a heated Community Board 1 meeting last night and blasted politicians for not controlling the chaos. “They’re defecating on our doorsteps,” fumed board member Catherine Hughes, a stay-at-home mom who lives one block from the protest. “The cowbells start at 4 a.m. and the drumming goes past 10 a.m. A lot of people are very frustrated. A lot of people are concerned about the safety of our kids.”