People march behind a banner to commemorate Kremlin critic Boris Nemtsov, who was shot dead on Friday night, in central Moscow March 1, 2015.  REUTERS/Maxim Zmeyev

Russians march in memory of murdered Nemtsov

MOSCOW - Thousands of Russians marched through central Moscow, carrying banners declaring "I am not afraid" and chanting "Russia without Putin" in memory of murdered Kremlin critic Boris Nemtsov.  Full Article | Video 

U.S. deserves 'benefit of the doubt' on getting Iran nuclear deal, Kerry says 11:06am EST

WASHINGTON - U.S. Secretary of State John Kerry pressed the case on Sunday for completing nuclear diplomacy with Iran despite Israeli opposition, saying the United States deserves the benefit of the doubt on getting a deal that would prevent any need for military action to curb Tehran's atomic ambitions.

Financial investor Warren Buffett looks on during an announcement ceremony at Northwestern University in Evanston, Illinois, January 28, 2015.  REUTERS/Jim Young

Warren Buffett looks to succession

NEW YORK - In his 50 years at the helm of Berkshire Hathaway Inc, Warren Buffett has transformed a failing textile company into a sprawling conglomerate that has vastly outperformed most of the rest of corporate America.  Full Article | Video 

A courtroom sketch shows Boston Marathon bombing suspect Dzhokhar Tsarnaev (C) during the jury selection process in his trial at the federal courthouse in Boston, Massachusetts January 15, 2015. REUTERS/Jane Flavell Collins

Life or death: Jury still out on Boston bomber

BOSTON - From the moment U.S. prosecutors stand up and begin their case against accused Boston Marathon bomber Dzhokhar Tsarnaev, their minds and those of their defense counterparts will be focused on just one thing: The death penalty.  Full Article 

Senator Rand Paul of Kentucky speaks at the Conservative Political Action Conference (CPAC) at National Harbor in Maryland February 27, 2015. REUTERS/Kevin Lamarque

Rand Paul wins straw poll with eye on 2016

NATIONAL HARBOR, Md. - Senator Rand Paul won a straw poll of conservative activists, giving his potential bid for the Republican presidential nomination in 2016 a boost, and Wisconsin Governor Scott Walker came in second.  Full Article 

SIM cards are reflected on a monitor showing binary digits in this photo illustration taken in Sarajevo February 23, 2015. REUTERS/Dado Ruvic

Mobile industry tiptoes towards 5G

BARCELONA - Running short of dramatically new phone designs, leaders of the world's wireless industry agree their next big idea is 5G, shorthand for the fifth generation of networks they expect to have up and running by 2020.  Full Article | Related Story 

A Greek (L) and a European flag flutter outside the Greek embassy in Brussels February 19, 2015.  REUTERS/Yves Herman

Despite Greece, euro zone is turning the corner

LONDON - The latest episode of Greece's debt crisis has revived doubts about the long-term survival of the euro, nowhere more so than in London, Europe's main financial center and a hotbed of Euroskepticism.  Full Article 

FBI Director James Comey takes a question at a news conference in the FBI office in Boston, Massachusetts, November 18, 2014. REUTERS/Brian Snyder

Why militants will always get through: money

When it comes to tracking militants, tapping cellphones is not enough. It requires a round-the-clock, 24/7 effort that saps money, resources and institutional manpower.  Commentary