More than 70 US Congress members signed a letter to the US Postal Service - calling for better heat safety measures. This comes more than a year after a North Texas man collapsed while delivering mail in the extreme heat...

Photo by Kevork Djansezian/Getty Images

More than 70 US Congress members signed a letter to the US Postal Service - calling for better heat safety measures. This comes more than a year after a North Texas man collapsed while delivering mail in the extreme heat...
Photo by Kevork Djansezian/Getty Images

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