In the 1960s, Janis Joplin was an icon of the counterculture, a female rock star at a time when rock was an all-boys' club.

"At that point in time there weren't too many women taking center stage," biographer Holly George-Warren says. "Janis created this incredible image that went along with her amazing vocal ability. ... [She] was very, very different than most of the women that came before."

The U.S. may now keep some troops in northeast Syria, Defense Secretary Mark Esper said on Monday. It is the latest in a series of consequential pivots the Trump administration has made in its Syria policy.

Esper said the troops are needed to secure oil fields from falling into the hands of ISIS and profiting from them, The Associated Press reports. But most recently it was Russian mercenaries, not ISIS fighters, who tried to seize the oil fields and who were repulsed by U.S. airstrikes, NPR's Tom Bowman reports.

The rap on Mitt Romney is that though he isn't a fan of President Trump, when he speaks out, it's in a fairly lukewarm way.

And then it was revealed over the weekend that he's been behind an anonymous Twitter account under the nom de plume Pierre Delecto.