Haley, the former governor of South Carolina, has been a fierce advocate for President Trump's policies at the United Nations. It is not immediately clear what prompted the move.
A divided Senate voted 50 to 48 to confirm Brett Kavanaugh to the high court. The bitter campaign could leave a mark on his reputation and on public confidence in the institution, legal experts say.
P.W. Singer and Emerson Brooking say social media has been manipulated to fuel popular uprisings and affect the course of military and political campaigns. Their new book is LikeWar.
Nikki Haley has announced she's stepping down as U.S. Ambassador to the U.N. Bill Richardson, who held the post during the Clinton administration, talks about her impact on U.S. diplomatic policy.
Nikki Haley, U.S. Ambassador to the U.N., resigns. NPR Diplomatic Correspondent Michele Kelemen talks about Haley's work there and what this might mean for President Trump's international policy.
In his new book, Michael Beschloss focuses on the lead up to war. But a more pressing danger and indictment of presidential power may be the interventions not authorized by Congress.
The ballot measure pits the state's love for salmon against its need for oil and mining revenue. The controversial measure has drawn more money than all three gubernatorial candidates combined.
Republicans have been closing in on Democrats' lead in voter enthusiasm. David Greene talks to Democratic campaign strategist Robby Mook about whether Democrats can gain back their edge.
Trump blasts Democrats for trying to destroy Supreme Court Justice Brett Kavanaugh. The Wall Street Journal reports on a software glitch in Google+ that went unreported. Interpol's president resigns.