Romney wins big on Super Tuesday, but rivals hang in

Mitt Romney narrowly beat Rick Santorum in the Ohio primary, the jewel of Super Tuesday, as they split most of the other nine states up for grabs in the GOP presidential contests.

Mitt Romney spoke at a rally at the Westin Copley Place in Boston.

Yoon S. Byun/globe staff

Mitt Romney spoke at a rally at the Westin Copley Place in Boston.

Romney supporters waited for him to speak in Boston.

Brian Snyder/REUTERS

Romney supporters waited for him to speak in Boston.

Rick Santorum addressed a rally in Steubenville, Ohio.

Jim Young/REUTERS

Rick Santorum addressed a rally in Steubenville, Ohio.

Santorum supporters in Ohio cheered upon hearing he was projected to win in Tennessee.

Joe Raedle/Getty Images

Santorum supporters in Ohio cheered upon hearing he was projected to win in Tennessee.

Newt Gingrich celebrated his Georgia victory in Atlanta.

John Bazemore/AP

Newt Gingrich celebrated his Georgia victory in Atlanta.

Gingrich supporters cheered as they watched election results in Atlanta, Ga.

Evan Vucci/AP

Gingrich supporters cheered as they watched election results in Atlanta, Ga.

A young girl held a picture of Ron Paul before he spoke in Nampa, Idaho.

Katherine Jones/The Idaho Statesman via AP

A young girl held a picture of Ron Paul before he spoke in Nampa, Idaho.

Paul did not post victories on Super Tuesday, with Alaska yet to report results.

Charles Rex Arbogast/AP

Paul hoped for a stronger showing in the caucus states on Tuesday.

The Fenway Center project, stalled for nearly three years by a zoning challenge, is expected to create 1,700 construction jobs.

Judge clears way for Fenway Center

A court ruling has removed the biggest legal barrier standing in the way of the long-delayed Fenway Center development, a $450 million complex of apartments, stores, and offices.

Lantigua’s fund-raising brings inquiry by AG

Attorney General Martha Coakley launched the investigation after state regulators found that Lawrence Mayor William Lantigua and his aides routinely violated campaign finance laws.

News Analysis

Mitt Romney labors back, but at a cost

Mitt Romney has fought to regain the lead in the Republican race, but the price has been considerable, both to himself and his party.

Romney fails to quiet doubts over evangelical vote in South

Mitt Romney’s disappointing second-place finish in Tennessee deprived him of a chance to dispel lingering doubts about his appeal in the Bible Belt.

Mitt Romney, who voted Tuesday in Belmont, won the Massachusetts vote by a wide margin.

Mitt Romney wins decisive victory in Massachusetts

Super Tuesday in the Bay State turned into a rather placid affair, with the former governor effortlessly winning his party’s endorsement.

With his wife Elizabeth at his side, right, US Rep. Dennis Kucinich addressed supporters at Rubin's Restaurant and Deli in Cleveland last night.

Political notebook

Kaptur beats Kucinich in redrawn Ohio district

Ohio Representative Marcy Kaptur defeated her longtime House colleague Dennis Kucinich for the Democratic nomination to represent Ohio’s redrawn Ninth Congressional District.

“The Democrats are savoring every day it doesn’t come to a conclusion. You’re in a circle shoot, and everybody keeps taking potshots at everybody else.”

Former House speaker Dennis Hastert,  on the race for the Republican presidential nomination

Globe Insiders

Globe Talk | March 21, 6 p.m.

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Join Dave Russo, Anthony Scibelli, Tony V, Jimmy Tingle, and Lenny Clarke for a talk about the city’s comedy scene. Laughs guaranteed.

Metro

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Mattapan defense focuses on tipster

The defense suggested that an unknown tipster in the Mattapan massacre had information that could have undermined Kimani Washington, now the key witness in the prosecution’s case.

Business

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The Fenway Center project, stalled for nearly three years by a zoning challenge, is expected to create 1,700 construction jobs.

Judge clears way for Fenway Center

A court ruling has removed the biggest legal barrier standing in the way of the long-delayed Fenway Center development, a $450 million complex of apartments, stores, and offices.

Politics

Obama scolds Republican foes on Iran

The president scolded GOP presidential candidates for ‘‘beating the drums of war’’ by demanding that the US prepare to take military action to prevent Iran from developing nuclear weapons.

Sports

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Celtics 97, Rockets 92

Ray Allen helped point the way to victory with a 3-pointer for an 84-82 lead with 35.4 seconds left in regulation.

Celtics survive in overtime

Paul Pierce (30 points) and Ray Allen (21) compensated for several Celtic miscues by converting when it counted in a 97-92 overtime victory over the Rockets at TD Garden.

Opinion

“As if this misogynistic dredge through the gutter wasn’t reprehensible enough, Limbaugh compounded his offense with an apology that rang false.”

Jeff Jacoby 

Ideas

“The story of St. John’s University reflects the power — and the threat — that such an education still represents to a proud nation that nevertheless hungers for new ideas.”

Patricia Wen  on the lost liberal arts university of China