Butler Hospitality, a ghost kitchen network for hotels, plans a nationwide expansion for 2021. Now serving more than 40,000 keys in New York, Chicago, Miami, and Washington, DC, Midtown Manhattan-based Butler will serve more than 200,000 keys from more than 50 hotel restaurants in 10 U.S. markets by January 2022. "Our value proposition is clearest to hotels in central business districts with ...