TOP STORIES:

ARGENTINA-PROSECUTOR KILLED

BUENOS AIRES, Argentina — Jewish groups boycott the Argentine government's Holocaust Day commemoration in protest over the mysterious death of prosecutor Alberto Nisman, while skepticism grew over President Cristina Fernandez's plan to reform intelligence services that she has suggested were behind the prosecutor's death. By Peter Prengaman and Paul Byrne.

AP Photos.

WINTER WEATHER

BOSTON — New Englanders hit by a blizzard packing knee-high snowfall and hurricane-force winds began digging out Wednesday as some New Yorkers and others spared its full fury questioned whether forecasts were overblown.

AP Photos.

WORLD FREEDOM

NEW YORK — Global freedom has suffered a disturbing decline with 60 percent of the world's population, or 2.6 billion people, living in countries that are not completely free, according to a report released Wednesday. By Alexandra Olson.

IMMIGRATION OVERLOAD

WASHINGTON — The Obama administration has ordered immigration agents to ask immigrants they encounter living in the country illegally whether they might qualify under President Barack Obama's plans to avoid deporting them, according to internal training materials obtained by The Associated Press. By Alicia A. Caldwell.

POLICE SHOOTING-DENVER

DENVER — Prosecutors promise a thorough investigation and ask angry protesters for patience after police shot and killed a 17-year-old girl who authorities say struck an officer with a stolen car. By Sadie Gurman.

AP Photos.

MEXICO-VIOLENCE

MEXICO CITY — Investigators are now certain that 43 college students missing since September were killed and incinerated after they were seized by police in southern Guerrero state, the Mexican attorney general says. By Alberto Arce and Maria Verza.

AP Photos.

COLOMBIA-VENEZUELA TENSIONS

BOGOTA, Colombia — Colombian President Juan Manuel Santos is taking a tougher line with Venezuela's socialist government, urging it to free a prominent opposition leader. By Jacobo G. Garcia.

VENEZUELA-DRUG TRAFFICKING

CARACAS, Venezuela — Venezuelan officials denounce a report that links the head of the socialist South American country's congress to the drug trade.

BUSINESS:

YAHOO-ALIBABA SPINOFF

SAN FRANCISCO — Yahoo CEO Marissa Mayer is losing a precious security blanket now that she is spinning off the Internet company's prized stake in China's Alibaba Group. By Michael Liedtke.

AP Photo.

ARTS and ENTERTAINMENT:

BRAZIL-PLASTIC SURGERY

SAO PAULO — A botched cosmetic procedure that put a famous reality TV star and outspoken plastic surgery advocate into septic shock is sparking a wide discussion of Brazil's obsession with beauty. By Adriana Gomez Licon.

AP Photos.

FILM-SUNDANCE-DIVERSITY

PARK CITY, Utah — One of the most buzzed-about movies at this year's Sundance Film Festival is "Dope," a coming-of-age story about three outcasts in the inner city. Written and directed by Rick Famuyiwa and featuring a diverse cast of actors, the film spawned a bidding war before domestic and international distributions rights were snapped up. By Sandy Cohen.

AP Photos.