Bomb Details Emerge in Boston Case  —  BOSTON — The explosives used to kill three people and injure 176 at the Boston Marathon on Monday were likely some kind of “pressure-cooker” devices that sent sharp bits of shrapnel flying into victims in the vicinity of the blast, several law enforcement officials said Tuesday.

Injured Saudi is a witness, not a suspect, in Boston bombing  —  U.S. law enforcement officials said Tuesday that a Saudi national injured in the Boston Marathon bombing is regarded as a witness, not a suspect.  —  The Saudi, who is recuperating at a Boston hospital, is in his 20s …

PHOTOS of SAUDI NATIONAL Person of Interest in Boston Custody ...Update: Saudi Ruled Out as Suspect  —  Here is the Facebook page of the Saudi national guarded by federal agents at a Boston hospital.  —  Abdulrahman Ali Alharbi  —  The name was released by Townhall and Free Republic.

Report: 2 escorted off Boston plane  —  Officials in Boston are taking no chances, a day after the tragedy at the Boston Marathon — including on flights out of nearby Logan Airport.  —  A plane headed to Chicago was brought back to the gate at Logan Airport, after some passengers …

FBI grills Saudi man in Boston bombings  —  ‘Smells of gunpowder’  —  An FBI investigator examines a bag inside an apartment in Revere, in a building on the street where a man being questioned in the bomb attack lives.  —  Police took a 20-year-old Saudi national into custody near the scene …

An Al-Shabaab Link to Boston Marathon Bombings?  —  A series of Twitter gloats today raised questions about the possible involvement of Somali terror group Al-Shabaab in the Boston Marathon bombing.  —  No person or group has yet directly taken responsibility for the attack that killed three and wounded 176, 17 of those critically.

Authorities ID person of interest as Saudi national in marathon bombings, under guard at Boston hospital  —  Investigators have a suspect — a Saudi Arabian national — in the horrific Boston Marathon bombings, The Post has learned.  —  Law enforcement sources said the 20-year-old suspect …

Is The Reinhart-Rogoff Result Based on a Simple Spreadsheet Error?  —  So this is huge.  Or, rather, it won't matter even a tiny little bit but it ought to be a big deal anyway.  You've probably heard that countries with a high debt:GDP ratio suffer from slow economic growth.

Does High Public Debt Consistently Stifle Economic Growth?  A Critique of Reinhart and Rogof  —  Abstract:  —  Herndon, Ash and Pollin replicate Reinhart and Rogoff(2010a and 2010b) and find that coding errors, selective exclusion of available data, and unconventional weighting …

Obama's snub to Thatcher: President won't send envoy to funeral - and leaves it to her old allies from the Reagan era  — President Obama made decision not to send a member of his administration before yesterday's bombings in Boston  — Instead, Reagan's former Secretary of State George Shultz …