MBTA to give free rides from airport

Passengers taking Silver Line buses from Logan will ride for free starting Wednesday, a move that also means free transfers to the subway system at South Station.

Massachusetts doled out $171m in tax credits

The more than $171 million in tax credits in 2011 were for activities ranging from filmmaking to fixing historic buildings to redeveloping contaminated land.

“And they took everything away from us . . . and that’s not right,” said Vernon Corliss, who worked at GS Industries.

William Lounsbury for The Globe

How 1 mill thrived, 1 failed after Bain invested

Mitt Romney and Bain Capital find themselves at the center of an argument about their investment two decades ago in the steel industry.

Both Democrats and Republicans in Congress have been reluctant to openly discuss contingency plans, or the possibility of compromise, in the event the court strikes down President Obama’s sweeping health reform law.

Looking ahead at options if health law falls

Supporters and opponents are girding for the possibility that President Obama’s health reform law could be overturned by the Supreme Court.

John Tlumacki/Globe Staff

Charles Steinberg is the maestro of Red Sox magic

Wooed back to the team after a four-year hiatus, the Red Sox adviser has quickly put his stamp on the season and the 100th anniversary of Fenway Park.

When describing the nature of the Celtics’ playoff games, the most appropriate word might be “adventure.’’

Bob Ryan

Celtics have made it a series with Heat

This wasn’t supposed to be happening, especially after the Heat’s heartbreaking 115-111 OT win in Game 2, but now the Celtics are two wins away from the NBA Finals.

Mayor Domenic Sarno of Springfield said the death of Officer Kevin Ambrose “shows the perils that our men and women in blue face each and every day . . . He wore his badge with integrity and honor.”

Springfield police officer killed

Kevin Ambrose, a 38-year veteran of the Springfield Police Department, was shot to death at an apartment while answering a call about a domestic dispute.

After killing, a vigil, grief in Cambridge

Some residents on Willow Street have been left with a haunting image of Charlene Holmes, 16, who was shot Sunday and lay dying on the sidewalk as neighbors tried to help.

Kristopher Campbell, 13, of Longmeadow, who plays on two teams, displayed his collection of colorful lacrosse gear.

Lacrosse is creating a retail splash

A growing group of young lacrosse enthusiasts, called lax bros, have cultivated a laid-back lifestyle to pair with the high-energy field sport.

Sports

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On basketball

Mario Chalmers misses a 3-pointer late in Game 4  - perhaps with some help from the Celtics bench.

Back in South Beach, Heat feeling the pressure

As the series has progressed, Heat coach Erik Spoelstra has realized he can’t use the standard game plan and standard roster to beat the Celtics.

Metro

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The damaged Back Bay Scotia Street substation after a massive fire in March.

NStar report cannot find a blackout cause

An independent forensic engineering firm could not determine the cause of a power failure in March that plunged the Back Bay and other Boston neighborhoods into darkness.

Business

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Politics

Political Notebook

Mitt Romney has chided President Obama for investing $535 million in a different solar company that failed, and has insisted governments should not pick winners and losers in the private sector.

Romney’s solar slam at Obama backfires

A Lowell-based solar technology company that received $1.5 million in state loans when Mitt Romney was governor has filed for bankruptcy.

Nation & World

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Arts

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Queen Elizabeth II and others of the royal family went onstage at Buckingham Palace Monday after the Diamond Jubilee concert.

Lockhart among musical multitude celebrating Elizabeth II

Boston Pops conductor Keith Lockhart led the BBC Concert Orchestra in the Diamond Jubilee concert, which celebrated the 60th anniversary of the queen’s ascension to the throne.

Lifestyle

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G Cover

Justin Colamaria with his mom, Tina Foye, and the breathing machine that helps his sleep apnea.

Overcoming sleep disorders in children

Nearly one-third of kids experience sleep issues at some point in their lives, but about 2 to 4 percent have structural defects that cause breathing difficulties during sleep.