(Portland, OR)  --  A Portland-based restaurant owner is permanently closing all of his restaurants due to financial fallout from the coronavirus pandemic.  David Machado says he's shutting down Nel Centro, Altabira City Tavern, Tanner Creek Tavern, Citizen Baker and Pullman Wine Bar and Merchant.  Machado says he can't afford to keep the restaurants open as pandemic-related closures continue to stretch on.