Marriott International says it is rolling out a multi-pronged platform to elevate its cleanliness standards and hospitality norms and behaviors to meet the new health and safety challenges presented by the current pandemic environment. Specifically, the hotel operator has created the Marriott Global Cleanliness Council, which it says will tackle the realities of the COVID-19 pandemic at the hotel level and further advance the company's efforts in this area.    The Marriott Global Cleanlin...