Enlarged natural gas pipeline proposed for N.E.

A Houston company has begun exploring the expansion of a regional pipeline to bring abundant supplies of natural gas to New England from nearby shale formations.

Demand grows in N.E. for natural gas heat

Long the one region in the country where oil remains a popular fuel for heating, New England appears to be on a natural gas binge.

On a night when he swept primaries in New York, Pennsylvania, Connecticut, Rhode Island, and Delaware, Mitt Romney pointed toward November, telling a crowd in Manchester, N.H., ‘‘A better America begins tonight.’’

Brian Snyder/Reuters

Mitt Romney launches his national campaign

On a night when he swept five primaries in the Northeast, Romney implicitly accepted the Republican presidential nomination at a victory rally in New Hampshire.

Brown, Warren commit to release their tax returns

Senator Scott Brown announced he would furnish six years’ worth of filings while his leading Democratic opponent, Elizabeth Warren, agreed to release four.

Suzanne Kreiter/Globe Staff

Concord woman proposes leash law to rein in cats

Bird lover Lydia Lodynsky, the woman behind the cat proposal, has offered a plan to create a cat bylaw that could result in unruly cats being forced onto a leash.

Brian McGrory

Lots more to Liberty Mutual pay story

When you take a look at a list of the top earners at Liberty Mutual, it’s clear that the system is contrived and protected by a moneyed few, to nobody’s advantage but their own.

Robert Covelle, executive director of the Medford Housing Authority, has said he has done nothing wrong despite state and federal investigations into whether the agency improperly awarded jobs and contracts to friends and family members.

Medford housing director’s support dwindles

An overseer of the Medford Housing Authority said she has lost confidence in Robert Covelle after the executive director was accused of favoritism and retribution.

Michael Plasmeier (left) and Jonathan Wang awaited Thursday’s drop.

Gravity rules at MIT’s annual piano drop

This year’s piano drop, scheduled to take place Thursday, marks the 40th anniversary of the uniquely MIT cultural oddity.

Johnson family wins Chamber honor

Fidelity Investments chairman Edward “Ned’’ C. Johnson 3d and his family accepted a Distinguished Bostonians award from the Greater Boston Chamber of Commerce.

Business

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Andy Davis will begin May 7.

Steward names new president of Carney Hospital

Andy Davis, the former chief executive of the Davis Regional Medical Center in Statesville, N.C., replaces Bill Walczak, who abruptly left earlier this month.

Politics

Political Notebook

Lawmakers have struggled with how to reduce the cost of Postal Service programs or benefits their constituents rely on.

Senate proposals seek to delay Postal Service closings

Under the measure, the ailing Postal Service would be barred from closing post offices for one year if they are located in rural areas — those with fewer than 50,000 people.

Nation & World

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New venture aims to mine nearby asteroids

A team of entrepreneurs and tech tycoons have founded a company dedicated to mining and selling water and metals from asteroids. They hope to fuel NASA’s deep-space travel.

Sports

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Red Sox 11, Twins 2

Mike Aviles got a big hand from Davis Ortiz after hitting his home run in the fourth inning.

Red Sox sparked by Mike Aviles

Aviles doubled and scored in the first inning, belted a long solo home run in the fourth, and had an RBI double in the fifth to help the Red Sox crush the Twins.

Food & dining

Cheap Eats

At Suya Joint in Roslindale Square, homestyle Nigerian cuisine is meant to be shared with friends and family.

At Suya Joint, Nigerian cuisine comes to Roslindale Square

Opened in February, the place is small and sparsely decorated. The menu can be a bit intimidating if you have never eaten Nigerian cuisine.