WASHINGTON -- U.S. employers added only 80,000 jobs in June, a third straight month of weak hiring that shows the economy is still struggling three years after the recession ended. The unemployment rate was unchanged at 8.2 percent, the Labor Department said in its report Friday. The economy added an average of just 75,000 jobs a month in the April-June quarter. That's one-third of the 226,000 a month created in the first quarter. For the first six months of the year, U.S. employers added an average of 150,000 jobs a month. That's fewer than the 161,000 a month for the...