A masked, black-clad militant, who has been identified by the Washington Post newspaper as a Briton named Mohammed Emwazi, brandishes a knife in this still image from a 2014 video obtained from SITE Intel Group February 26, 2015. REUTERS/SITE Intel Group/Handout via Reuters

'Jihadi John' linked to failed London bombers

LONDON - Islamist militant Mohammed Emwazi, identified as 'Jihadi John', was a member of a network in contact with one of the men convicted of trying to bomb the British capital's underground railway in 2005, according to the government.  Full Article 

U.S. House Speaker John Boehner (R-OH) (C) returns to his office after a visit to the House floor for procedural votes for legislation to fund the Department of Homeland Security at the Capitol in Washington, February 27, 2015.   REUTERS/Jonathan Ernst

Boehner defends his U.S. House leadership

WASHINGTON - Fresh from an embarrassing rebuke at the hands of conservatives in his own party, U.S. House of Representatives Speaker John Boehner played down any risk to his continuing leadership.  Full Article 

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 

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 

The White House is seen after snow hit the Washington area December 5, 2007. REUTERS/Yuri Gripas

Washington, D.C.: from monuments to meetings

NEW YORK - It's not all politics and no play in Washington, D.C. For business travelers like WeWork cofounder Miguel McKelvey, the nation's capital has plenty to offer the professional.  Full Article 

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