Why Houston coffee superstar David Buehrer is closing Morningstar, and what he sees for the future

David Buehrer’s business model of operating coffee shops inside office buildings used to be a conservative bet for him. Then Covid-19 struck, virtually shutting down office buildings across the city. With one business in Greenway Plaza and another in the 609 Main office tower downtown, Buehrer doesn’t know what the reality of his future will be in those spaces. 

“I think that the next year is going to be really tough for my business. I think that it’s going to be defined by renegotiating…