Pennsylvania is among six states holding primary elections Tuesday. Gov. Tom Corbett is unchallenged in the GOP primary, but the general election is a different story.
Corbett is considered one of the nation's most vulnerable incumbents right now, and a crowded field of Democrats is lined up in hopes of replacing him.
In his first term, Corbett apparently failed to wow Pennsylvania voters; his poll numbers remain consistently low. That has Democrats here optimistic, and one name in particular is becoming a lot more familiar.
It's the latest craze for people who want to improve their mental performance: zapping the brain with electricity to make it sharper and more focused. It's called "brain hacking," and some people are experimenting with it at home.
The idea's not completely crazy. Small jolts of electricity targeted at specific areas of the brain are used to treat diseases like epilepsy and Parkinson's, typically with tiny devices that must be surgically implanted.
NPR continues a series of conversations about The Race Card Project, where thousands of people have submitted their thoughts on race and cultural identity in six words. Every so often, NPR Host/Special Correspondent Michele Norris will dip into those six-word stories to explore issues surrounding race and cultural identity for Morning Edition.
We all know about the drought in California, but farmers there have more to worry about than a lack of water.
There's also the looming threat of Asian citrus psyllid (ACP), an invasive pest that flies from tree to tree, feeding on tender leaves. By itself, the psyllid is not particularly harmful, but it can carry citrus greening disease, which kills trees within a few years of infection. There is no cure.