Denver officials, facing criticism for hundreds of mistaken-identity arrests, say they plan to tighten procedures to make sure they have the right suspect before a person is booked.

Three out of four uninsured Americans live in states that have yet to figure out how to deliver on the promise of President Obama’s health overhaul for affordable medical care.

Mitt Romney laboring to regain advantage

By Matt Viser and Michael Levenson

Romney began recalibrating his campaign yesterday with sharper attacks on Newt Gingrich and a pledge to quickly release some tax returns.

Egypt’s first freely elected Parliament in more than 60 years sits for its first session today, charged primarily with overseeing preparation of a new constitution.

By Ahmed al-Haj

Yemen’s president left his battered nation yesterday headed to the United States for medical treatment after passing power to his deputy.

Protesters shake transitional government in Libya

By Liam Stack

Protests grew against Libya’s National Transitional Council, prompting the leaders to revamp their membership.

letters | UNEASE OVER IRAN

"Pakistan, a poorer and much less stable country, has nuclear weapons, and we haven’t fallen into a panic." - Colleen Clark

letters | UNEASE OVER IRAN

Nuclear aspirations must be halted

“American policy has long been that Iran going nuclear is unacceptable.” — Avrom Jacobs

Editorial cartoon: Don’t need the code-breakers

Tom Toles, editorial cartoonist for The Washington Post, gives his view on some of Newt Gingrich’s comments about President Obama.

CONCORD, N.H.

Last year, Republican lawmakers shifted more of New Hampshire’s public pension costs onto workers to ease employers’ expenses. Now, they are proposing a parallel plan for new employees that lacks a guaranteed lifetime benefit.

WESTPORT, Conn.

State Police say they have confirmed the identity of a woman found dead off a highway ramp, but still do not know how she died.

LAWRENCE

City and State police yesterday captured a Lawrence man wanted on charges of pistol-whipping a store clerk on New Year’s Eve, authorities said yesterday.

By Michael B. Farrell

The state is home to more than 100 companies that focus on what is known as “big data’’ - the ability to quickly dissect and understand a flood of information.

By Ian Austen

The men who made the BlackBerry a leading business tool but then presided over its decline said they would step down today from their positions at Research in Motion.

By Nicole Perlroth

Businesses spend billions each year beefing up security on their computer systems, but usually ignore the ease with which anyone can penetrate a videoconference room.

Mr. Riley, an innovative reggae musician and producer, died Thursday of a gunshot wound to the head.

Wylie W. Vale Jr., at 70; made major impact in endocrinology

By Nicholas Wade

Dr. Vale, an eminent endocrinologist who helped identify the hormones through which the brain governs basic bodily functions, died Jan. 3.

Louise Kaplan; author illuminated sexuality

By Douglas Martin

Dr. Kaplan, a psychoanalyst and author who soberly defined and explained seemingly titillating topics like sexual perversity and fetishes, died Jan. 9 in Manhattan.

Patriots 23, Ravens 20

Patriots win Super Bowl berth on missed field goal

By Shalise Manza Young

The Patriots won the AFC Championship after an edge-of-your-seat game which was only sealed after Ravens kicker Billy Cundiff pulled a tying 32-yard field goal with 11 seconds left.

Bob Ryan

Patriots beat Ravens in old, grind-it-out style

By Bob Ryan

Here’s all you need to know about how different and special this win was: The Patriots did it without the benefit of a single Tom Brady touchdown pass.

On Football

Vince Wilfork the difference-maker in Patriots’ win

By Greg A. Bedard

Hardly anyone was talking about Wilfork in the lead-up to the game. It was a big mistake, as Wilfork had maybe the best game of his eight-year career.

Today is Monday, Jan. 23, the 23d day of 2012. There are 343 days left in the year.

"The finest fury is the most controlled." - Christopher Hitchens

Today's highlights on radio and television.