Dynamics changing on federal bench in Mass.

New appointees are filling four open seats, and other veteran judges are taking more of a back-seat role.

Former bitter foes Vito Gray (left) and Victor Woods have found peace.

Lane Turner/Globe Staff

Former Boston crime rivals offer lasting lesson

In 1991, Vito Gray left Victor Woods for dead, with a deep gash in his gut. Since then, the two have found peace.

US Senator Mitch McConnell.

2 sides target Mitch McConnell in Ky. Senate race

McConnell is staring at polls that show his approval rating in his home state is even worse than that of President Obama.

Can aspirin fight cancer?

The medicine-cabinet staple seems to be a powerful weapon, though it’s not without risks.

Dueling sides on the casino issue hit the streets Sunday. Diane Santoro (left) backs the plan and joined a rally in Revere. Estella Pineda (right) issued signs in opposition at Immaculate Conception Church before a march.

PAT GREENHOUSE (LEFT) AND JESSICA RINALDI/GLOBE STAFF

Stakes high in Revere’s 2d casino referendum

There is little public data available on the race ahead of Tuesday’s vote on a planned Mohegan Sun casino at Suffolk Downs.

Self-defense activists stood on an armored vehicle in central Kiev on Sunday. At least 82 people, primarily protesters, were killed in clashes in Kiev last week.

Ukraine issues arrest warrant for president

The acting government is accusing President Viktor Yanukovych of mass crimes against protesters.

Grady Sizemore is a baseball-perfect 6 feet 2 inches, 200 pounds, bats left and throws left, and kills the ball in the cage.

Dan Shaughnessy

Grady Sizemore looks good, but can he contribute?

If Sizemore can get back to anything approximating his former self, he’d be a terrific fallback for the Red Sox in centerfield.

From left: Phillip D. Zamore is codirector of the RNA Therapeutics Institute. Craig Mello and another scientist won a Nobel Prize for RNAi work. John Maraganore says Alnylam tailors RNAi for various targets.

RNAi tactic to fight disease offers new hope

Local biotechs report progress in the quest to attack diseases through RNA interference, which blocks genes’ normal production of proteins.

Opinion

Jennifer Graham

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/02/21/BostonGlobe.com/EditorialOpinion/Images/0224oped_graham2.jpg The carriage horses are fine

Never do abusers outnumber the caring, and it’s not wise to govern at the whip of extremes.