NEW: @America1stLegal is petitioning the U.S. Postal Service to require citizenship verification for federal mail-in ballots.The organization says ballot tracking alone is not enough if election officials are not first verifying voter eligibility.AFL says mail-in ballot rules are problematic because the USPS:• Does not require any verification that voters are citizens or that they actually live in the state where they are registered.• Fails to use the federal statute governing nonmailability, wh