Colgate-Palmolive Co. reported a decrease of fourth straight quarter of sales in 6.5% to $4.1 billion. Nevertheless, global unit volume grew 3.0%, pricing increased 2.5% and foreign exchange was negative 12.0%. Operating profit decreased 5% to $932 million.   Ian Cook, chairman, president and chief executive officer, commented on the results and outlook excluding the 2015 and 2014 items noted above, “In the face of challenging macroeconomic conditions worldwide, we are pleased to have achi...