"012 began last July, P&G expected foreign exchange to add 2 percent to 3 percent to net sales, Chief Executive Officer Bob McDonald said.Now, as the dollar has strengthened against currencies such as the ruble, zloty, real and peso, P&G expects the impact of currency rates to cut net sales by 1 percent this year, and it cut its fiscal-year profit forecast.For the fiscal year ending in June, P&G no" . . . .