Mass. borders are no barrier to guns sold nearby

Variation in guns laws from state to state may be complicating law enforcement efforts, especially in regions such as New England.

Lieutenant Colonel Jenns Robertson’s project is aiding efforts to spot unexploded bombs that still endanger civilians.

MEG MCKINNEY FOR THE BOSTON GLOBE

Bomb database useful for past, present wars

Lieutenant Colonel Jenns Robertson documented almost every bombing mission carried out by the US military and its allies over the last 100 years.

Students train to become video game designers

Eighteen students, mostly from Mass. colleges, have participated in a state-sponsored summer program aimed at developing the next generation of video game designers.

The group of delegates — originally supporters of Republican presidential candidate Ron Paul — were elected in April caucuses at which they unexpectedly defeated many of Mitt Romney’s chosen delegates, but they have been since disqualified by state party officials.

Ron Paul delegates fight GOP on ouster

Sixteen Republicans elected to represent Mass. at the national convention say they were unfairly disqualified based on state GOP leaders’ concerns about their fealty to Mitt Romney.

“We’re trying to change biomedical research globally,” said Jose-Carlos “J.C.” Gutierrez-Ramos.

Suzanne Kreiter/Globe staff

Pfizer picks Boston for innovation HQ

Pfizer Inc.’s Centers for Therapeutic Innovation has established its base in Boston, hoping to bring more treatments to market by working with academic researchers.

Adrian Walker

Mashpee Wampanoag possibly gave too much

The tribe may have made so many concessions with the state for a casino in Taunton that it will struggle to win approval from the federal Department of the Interior.

Reigning world titlist Jordyn Wieber (left) walks off after failing to qualify for Thursday’s all-around. But she can still help the US win team gold.

ON GYMNASTICS

Gymnastics can be a tricky balancing act

Reigning world titlist Jordyn Wieber failed to qualify for Thursday’s all-around, but she can still help the US women win team gold.

Ryan Lochte says he’ll continue swimming as long as he enjoys it, and it doesn’t get much more enjoyable than a gold medal in the 400-meter IM.

Amid pressure, Ryan Lochte focuses on the fun

Lochte, who has won a gold medal in the 400-meter IM and a silver in the 4 x 100 freestyle relay at the London Games, says he’ll continue swimming as long as he enjoys it.

Lebron James and the US went on an 11-0 run to open the second quarter, and things never got better for the French.

Bob Ryan

France no match for US in men’s basketball

If the team exists that is going to deny the USA a gold medal in men’s basketball at the Olympics, it’s not going to be France.

Sports

Tags in this section:

Red Sox 3, Yankees 2

Swinging at the first pitch he saw in the 10th inning, Pedro Ciriaco drops a single into right to drive in what would be the winning run.

Red Sox beat Yankees on Pedro Ciriaco blooper

Swinging at the first pitch he saw in the 10th inning, Ciriaco dropped a single into right to drive in what would be the game-winning run.

Metro

Tags in this section:

Genevieve King earned respect through her quiet but firm leadership style, one colleague recalls.

Void at top as female Boston detective retires

The retirement of Genevieve King, 55, the first female captain detective in the city, means the department has no female captains in its command staff.

Business

Tags in this section:

Mario Draghi faces the complicated task of delivering on a promise to do ‘‘whatever it takes to preserve the euro.’’

Vow to rescue the euro raises pressure to act

Mario Draghi, president of the European Central Bank, is tasked with delivering on last week’s promise to do ‘‘whatever it takes to preserve the euro.’’

Nation & World

Tags in this section:

A Free Syrian Army member aimed his weapon after hearing shelling at Aleppo’s district of al-Sukkari on Saturday. More and more civilians are leaving the area.

Syria’s rebels hold Aleppo neighborhoods

Syria accused Saudi Arabia, Qatar, and Turkey of trying to destroy the country as regime troops fought to retake control of strategic Aleppo from insurgents.

Arts

Tags in this section:

Music Review

Charles Dutoit conducting Berlioz’s “The Damnation of Faust” Saturday night at Tanglewood in Lenox.

Faust’s journey to hell, in orchestral Technicolor

Charles Dutoit returned to the podium at Tanglewood on Saturday to lead a rousing and stylish performance of Berlioz’s “The Damnation of Faust.”

Health and wellness

Daily Dose

Are Olympic athletes really genetically superior?

As the Olympic Games begin in London, so too will debates focusing on the medical implications of becoming a world-class athlete.