TY - BOOK AU - Pittinsky,Todd L. TI - Crossing the divide SN - 9781422118344 U1 - 303.34 PY - 2009/// CY - Boston PB - Harvard Buisness Press KW - Social psychology N1 - Includes index N2 - Bringing groups together is a central and unrelenting task of leadership. CEOs must nudge their executives to rise above divisional turf battles, mayors try to cope with gangs in conflict, and leaders of many countries face the realities of sectarian violence ER -