 To about $42 a share, up from $31 on Friday, it came onto the stock market in the spring at just under $50 a share. It is the first work day for many after that terrible shooting at Donald Trump's campaign rally. In a polarized America, what are strategies to lower the temperature in politicized workplaces? An expert says active listening and civility is an on-the-job skill that can be taught. Plus, limits need to be established.