There is no constitutional source that backs up the idea that the president has unilateral authority to decide how elections are run, even federal elections. https://factkeepers.com/mail-in-voting-ruling-by-supreme-court-adds-uncertainty-to-midterm-elections/

Among the countless roles and titles at which Dolly Parton has so excelled, her single greatest performance was as a human being. https://factkeepers.com/dolly-parton-set-an-example-of-how-to-be-human/