"We're supposed to stand up to discrimination, and we're sure as heck supposed to stand up clearly and unequivocally to Nazi sympathizers", Obama said. "We have the chance to flip the House of Representatives and make sure there are real checks and balances in Washington".
On Saturday, the former president will stump for House Democratic candidates from California at an event in Orange County, a conservative-leaning part of California where Republicans are at risk of losing several congressional seats.
The former president went on to lambaste the current state of the Republican Party. Last month, he endorsed nearly 100 Democratic candidates across the country.
On Friday, Obama made his first appearance in the midterm election battle, in a speech at the University of IL at Urbana-Champaign, where he accepted an ethics in government award.
She said that the reason America has an "outsider business man" president like Trump is, in fact, because of Obama. "He's just capitalizing on resentments that politicians have been fanning for years, the fear and anger that's rooted in our past". Fox released an excerpt on Saturday. "You need to vote because our democracy depends on it".
The party did poorly in both the mid-terms during his presidency - 2010 and 2014 - and he failed to hand them over to Hillary Clinton, the Democratic presidential nominee in 2016. People are exhausted of corruption.
Two Koreas agree to hold September summit in Pyongyang
But negotiations have made little headway, while signs North Korea has maintained work on its weapons have emerged. Kim Il Sung, then 35, delivered a speech and repeatedly cheered on his military and fellow dictator Joseph Stalin.
"Some of you may think I am exaggerating when I say these November elections are more important than any in our lifetime", he said. "That's on the ballot".
Republicans say voters will not find Mr Obama's argument appealing.
"Many of them never imagined running for office, but what they understood is the stakes are high in this election".
Mr Obama is expected to deliver a similar message in another campaign speech in Cleveland on Thursday. But he cared enough to retweet posts by supporters denouncing Obama.
His prescription, he said, was "when each of us as citizens say we are going to take it upon ourselves to do it differently". "It works for me", Whitaker said.
"Each time we get close to those ideals, somebody somewhere pushes back". "You can't opt out because you don't feel sufficiently inspired by this or that particular candidate".