Chronicle Giants beat writer Henry Schulman, A's beat writer Susan Slusser and assistant sports editor Jon Schultz answer Chronicle subscribers' questions about the Giants and A's in the first of two parts. Could robo umps be part of the solution when baseball returns? And will the White House have any say on baseball's restart? | Coronavirus updates: sfchronicle.com/coronavirus | Giants Splash Newsletter: sfchronicle.com/giantsnewsletter

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