10 Things to Know: Nov. 17

1. OBAMA: BEHEADING OF FORMER US SOLDIER 'PURE EVIL'

The president denounces the death of Peter Kassig at the hands of Islamic State terrorists, saying the militant group "revels in the slaughter of innocents."

2. VIDEO SHOWS MH17 JET WRECKAGE NARROWLY MISSING UKRAINIAN VILLAGE

The Associated Press obtains footage that reveals how close the burning passenger jet came to hitting village homes, four months after it was shot down, killing all 298 aboard.

3. WHY STATE DEPT. SHUTS DOWN ITS UNCLASSIFIED EMAIL SYSTEM

The unprecedented step is taken as technicians repair possible damage from a suspected hacker attack.

4. WHO COULD HOLD SWAY OVER KEYSTONE PIPELINE

Nebraska's Supreme Court is expected to issue a ruling on whether the Nebraska Public Service Commission must review the pipeline before it can cross the state.

5. FREQUENCY OF MILITARY FRAUD TROUBLES PROSECUTORS

The Justice Department says it brought 237 criminal cases from November 2005 to September 2014 arising from war-zone misconduct - often contracting and procurement fraud.

6. LAWYER: COSBY WON'T DISCUSS 'DISCREDITED' SEX ABUSE CLAIMS

One of the comedian's accusers levels allegations of sexual assault against him in interviews and in an online column for the Washington Post.

7. WHERE NIGERIAN ARMY SAYS IT REGAINS CONTROL

The military says it has retaken the town of Chibok, where Islamic extremists kidnapped more than 200 schoolgirls more than six months ago.

8. NEW STRATEGIES SEEK TO HALT DOMESTIC VIOLENCE

Thousands of high school coaches across the country receive training in how to convey to their players the importance of treating young women with respect.

9. '20TH HIJACKER' WANTS TO TESTIFY IN VICTIMS' LAWSUITS

The imprisoned Zacarias Moussaoui claims he can offer inside information about the inner workings of al-Qaida.

10. DEA AGENTS RAID 3 NFL MEDICAL STAFFS

Officials say the operations are part of an investigation into former players' claims that teams mishandled prescription drugs.