Tonight we're covering a number of developing stories.

The investigation after an SUV plows into sheriff recruits on a training run, plus

an Arctic blast blanketing the nation, and the new questions tonight in that college quadruple

homicide.

The wrong way crash that sent 25 Los Angeles County cadets to the hospital.

We have broken bones. We've had some loss of limb. These are life-threatening injuries.

Murder mystery deepens. Tonight new video shows two of the four college students just hours before they were brutally killed.

The campus on high alert with no suspects in custody.

Deadly missile misstep.

CBS's Charlie Daggeta is in Poland for us with what the top leaders at the Pentagon are saying.

Same-sex marriage rights tonight the news from the Senate about a marriage

equality law. Deep freeze, more than 80% of Americans face below average temperatures. We have the

forecast. And part two of our reporting on America's nursing shortage.

Tonight, the solutions of how to support the backbone of America's health care system.

This is the CBS evening news with Nora O'Donnell, reporting from the nation's capital.

Good evening, and thank you for joining us on this Wednesday night.

And we begin with breaking news.

CBS News can now project Republicans will control the House of Representatives.

In that staggering moment there for them, we'll have more on that in just a moment. But first,

we want to begin with that new information on the deadly missile strike inside Poland that sent

NATO leaders scrambling. And this, the shocking incident, injures dozens of Los Angeles County

Sheriff's recruits during their early morning run. Twenty-five cadets were injured, five critically,

...