Pop Culture Roundup: This Week This week ... Ken Burns on Jackie Robinson, Ben Affleck and the American Revolution, Woodrow Wilson and racism -- and more.

Social Media News: What Historians Are Talking About This week ... students protests, black beauty shops, Max Boot, and more.

Lessons from 1912: Why Trumpmania Probably Won’t Last by David Greenberg Teddy Roosevelt was the Republican insurgent of his time, and his third party turned out to be a footnote.

This war is for America’s soul: Donald Trump, Paul Ryan and how wealthy white elites protect themselves by Heather Cox Richardson It's the elites vs the people in this presidential campaign, and nothing less than democracy is at stake.

The Secret Origins of the Tea Party by Jeff Nesbit How big oil and big tobacco partnered with the Koch brothers to take over the GOP.

No humbug: Striking similarities between Trump and P.T. Barnum by Thomas Bender He seems to think that he is “The Greatest Show on Earth.” And many of his supporters likely agree.

No one will be able to stop the political violence Donald Trump is unleashing by Todd Gitlin Violence at Trump campaign events has been increasing in intensity despite Trump's insistence that his rallies are peaceful.

Will Trump Become Conspiracy Theorist in Chief? by Joseph E. Uscinski Donald Trump’s foray into the conspiratorial began with birtherism, the idea that Obama was born outside of the United States.

MLK’s mighty ally in the fight for civil rights was a union by Peter Cole This union: International Longshoremen’s & Warehousemen’s Union (ILWU)

What the GOP Should Know NOW About Warren G. Harding’s Presidential Win in 1920 by Ron Radosh and Allis Radosh The dark horse from Ohio emerged from a contested convention as the nominee and then became president.

Writing a Blank Check on War for the President by Andrew Bacevich How the United States Became a Prisoner of War and Congress Went MIA.

Stop Honoring Racists — Say Goodbye to John Mullaly Park in the Bronx by Alan Singer During the Civil War Mullaly, an avowed racist, called for armed resistance to the military draft.