Avon was done in by FX, but company executives insist a turnaround is gaining momentum—even if results for the first half of 2016 have been disappointing. Second quarter revenue for Avon Products, Inc. declined 8% to $1.4 billion, but increased 4% in constant dollars and increased 5% in constant dollars when excluding the impact of the sale of Liz Earle.  “Our second quarter results came in slightly above our expectations, driven by operating performance that was better than anticipated...