The Republican nominee was quickly escorted from the stage during a speech in Reno, Nev., as security personnel responded to a perceived threat in the audience.
The area around Reno is one of the hottest battlegrounds in 2016. It's also a place where rapid demographic change is underway — exposing divisions between native and foreign-born residents.
National monument designations that bypass Congress are hugely controversial. In this presidential election year, the politics in a state like Nevada are even more sensitive.
Lucy Flores was among the first endorsements Sanders made earlier this year, and his fundraising plea helped the former Nevada legislator raise over $600,000 for her competitive Democratic primary.
Jake, born female, was 5 when he says he first told his dad he was a boy. Jon thought it was a phase, but came to accept it, and 15 years later Jake made his new name and gender official.
The "Nevada fracas" has created a media meme and a conversational focus for the conflict roiling the Democratic Party. This is because it encapsulates the grievances felt on both sides.
Trailing Hillary Clinton in the delegate race, Bernie Sanders says the Nevada state party treated him unfairly and denied that his supporters incited violence and leveled threats toward officials.
Tesla is building what it says is the world's largest battery factory. The scale is expected to drive down the cost of electric cars and batteries that homeowners can use to store surplus solar power.
Renewable energy is taking off across the nation, but storing the energy is still a problem that is challenging companies to innovate, with solutions ranging from molten salt to ice.