"There is no serious person out there," said Obama barely two years ago, "who would suggest somehow that you could even rig America's elections, in part because they're so decentralized and the numbers of votes involved." He said this before the 2016 election, when Trump was voicing concern that the election would be rigged. Obama added that there was no evidence that this had happened in the past and no evidence that it could happen in that election, and that Trump should stop "whining" about the election being rigged and go out and try to get more votes.
Here's the video, if you doubt any of this:
Here's the video, if you doubt any of this: