Despite previously indicating that he would follow that norm, Obama broke with tradition on September 7 with a speech kicking off his campaign blitz to help Democrats regain control of Congress in the 2018 midterm elections.
Ahead of the midterm elections in November, Obama urged young people to cast their votes, "because our democracy depends on it".
"It is always tempting for politicians, for their own gain, and for people in power, to try to see if they can divide people, scapegoat folks, turn them on each other because when that happens, you get gridlock and government doesn't work and people get cynical and they decide not to participate", he said.
Here was one of Obama's salvos during his speech: "Sometimes the backlash comes from people who are genuinely, if wrongly, fearful of change", he said. "He is a symptom, not the cause".
His comments come as Obama delivered a speech damning Donald Trump for "capitalising on resentment that politicians have been fanning for years".
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He added that he still believed in Tesla , that "I have no disagreements with Tesla's leadership or its financial reporting". Musk said he had come up with preliminary designs for a supersonic, electric plane that would take off and land vertically.
"When you hear how great the economy's doing right now, let's just remember when this recovery started", he said, recalling that he had inherited a risky economic downturn and left office amid a recovery.
Obama unloaded on Trump for a litany of supposed misdeeds: his response to Hurricane Maria in Puerto Rico last fall; his failure to thoroughly condemn the far-right after last year's deadly rally in Charlottesville; and his bashing of the press.
Michelle Obama has opted to avoid, for now at least, any explicit candidate advocacy, choosing to throw her lot in with another new group, When We All Vote, that has been gathering celebrity endorsers in an effort to launch a major voter registration drive later this month.
And while the speech was not as direct as his remarks in Illinois, Obama did cast the current administration as one that is seizing on division. "It's indifference. It's us not doing what we're supposed to do". "How hard can it be", Obama questioned, "saying that Nazis are bad?"
The result is a strategy of big events in blue corners of the country, quiet fundraisers with donors and a series of digital videos or robo-calls, meant to drive Democratic attention and turnout in a targeted way. It's one of the main reasons the Tea Party movement was born and why Republicans retook the House in historic action in 2010. "All we need are decent, honest, hard-working people who are accountable and who have America's best interests at heart".
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To a certain extent it's going to be up to China", he said, "And I hate to say this, but behind that is another $267 billion ready to go on short notice, if I want.
On Saturday, Obama called on Democrats to look outside their base for support in November's races. Trump also bashed Obama for trying to take credit for the US' recent economic success, marked by record low unemployment and modest wage growth.
"Republicans who know better in Congress (.) are still bending over backwards to shield this behaviour from scrutiny or accountability or outcome".
"Out of this political darkness I am seeing a great awakening of citizenship all across the country", Obama said.
Obama hadn't publicly criticized Trump prior to the speech, although he took a veiled jab at the president in his eulogy for the late Sen.
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The often-volatile monthly employment numbers followed an increase of 54,100 positions in July. Canada's unemployment rate is going against the grain as part-time jobs dipped last month.