Second Health Care Worker Tests Positive for Ebola  —  A second health care worker at Texas Health Presbyterian Hospital who provided care for the first Ebola patient diagnosed in the United States has tested positive for the disease.  —  The health care worker reported a fever Tuesday and was immediately isolated at the hospital.

The Polls Might Be Skewed Against Democrats — Or Republicans  —  This year's Senate election is close.  Republicans have the clearer path to a majority, but it's a treacherous one.  Republicans are favored in Iowa and Colorado, for example, but not by much.

Poll shows Obama approval low, GOP enthusiasm higher than Democrats'  —  Americans look to November and beyond with dissatisfaction about the state of the country and the political leadership in Washington.  Two in three say the country is seriously off-track, and more than 6 in 10 …

Skunk Works Reveals Compact Fusion Reactor Details  —  Lockheed Martin aims to develop compact reactor prototype in five years, production unit in 10  —  Hidden away in the secret depths of the Skunk Works, a Lockheed Martin research team has been working quietly on a nuclear energy concept …

The Secret U.S. Casualties of Iraq's Abandoned Chemical Weapons  —  A controlled detonation of recovered mustard shells near Taji, Iraq, on Aug. 17, 2008.  —  The soldiers at the blast crater sensed something was wrong.  —  It was August 2008 near Taji, Iraq.

Where did it go wrong for Obama?  —  Fewer than two years ago, President Obama was elected handily to his second term, becoming the first Democrat since FDR to twice win an outright majority of the popular vote.  —  Now, Democrats in competitive Senate races hope he stays as far away as possible …

Rethink Harvard's sexual harassment policy  —  In July, Harvard University announced a new university-wide policy aimed at preventing sexual harassment and sexual violence based on gender, sexual orientation, and gender identity.  —  The new policy, which applies to all schools within …

Scarier Than Ebola  —  We Americans do panic really well.  —  We could use a few pointers on prudence.  —  Do me a favor.  Turn away from the ceaseless media coverage of Ebola in Texas — the interviews with the Dallas nurse's neighbors, the hand-wringing over her pooch …

It Is a Beauty Contest  —  Having dismissed Chris Christie's presidential ambitions because of his girth, the author must now apologize.  But while the New Jersey governor's dramatic recent weight loss—as much as 100 pounds—is admirable, in a physical matchup with other 2016 hopefuls he'll need to avoid losing much more.

City subpoenas pastors' sermons in equal rights ordinance case … Houston's embattled equal rights ordinance took another legal turn this week when it surfaced that city attorneys, in an unusual step, subpoenaed sermons given by local pastors who oppose the law and are tied …

Ben Carson's Longshot Presidential Bid Suddenly Looks a Lot More Realistic  —  Rand Paul?  Ted Cruz?  Jeb Bush?  Chris Christie?  More Iowa Republicans are backing Ben Carson than all of them.  —  “I tend to be an honest and frank and open person,” says Ben Carson, his voice not much more than a whisper.

The Future Of The Culture Wars Is Here, And It's Gamergate  —  Over the weekend, a game developer in Boston named Brianna Wu fled her home after an online stalker vowed to rape and kill her.  She isn't the first woman who's been forced into hiding by aggrieved video game fans associated with Gamergate …

Court blocks abortion limits in Texas  —  Over the dissents of three Justices, the Supreme Court on Tuesday evening barred Texas from enforcing two parts of its new abortion-restriction law — one part as it applied throughout the state, the other as it applied to two clinics in the southwest part of the state.