"When high profile things happen or the assassination attempt a couple of weeks ago, you do see that people shift their attention to news and so it's more about distractions," Amazon CFO Brian Olsavsky told reporters on Thursday.Beata Zawrzel/NurPhoto via Getty ImagesAmazon issued a lower than expected sales forecast on Thursday.Amazon CFO Brian Olsavsky said the weak forecast was partly due to wild events on the news cycle."No matter what you're selling or providing, customers only have so much attention," he said.Amazon CFO Brian Olsavsky says the volatile news cycle is partly to blame for its lower than expected sales forecast for the quarter.On Thursday, the e-commerce giant said it was expecting $154 billion to $158.5 billion in revenue for the third quarter of this year, below the average analyst estimate of $158.24 billion.