News Ohio’s all-mail primary, Don McGahn case, California’s next steps: 5 things to know Tuesday April 28, 2020April 28, 2020 Editors, USA TODAY Comments Off on Ohio’s all-mail primary, Don McGahn case, California’s next steps: 5 things to know Tuesday Ohio shifts to an all-mail primary, the case centered around ex-White House Counsel Don McGahn is back in court and more news to start your Tuesday.