Obama attacks Romney's Bain record

The president’s campaign released its first ad against Mitt Romney today, focusing on a steel mill that Bain purchased and shuttered.

Harvard professor to head primate research center

Dr. R. Paul Johnson will take over leadership of the troubled facility, where four primate deaths in less than two years revealed gaps in animal care procedures.

Ron Paul will ‘no longer spend resources’ on campaign

Ron Paul says he is done spending money on his campaign, but that he would still fight for delegates all the way to the GOP convention in Tampa.

DA: Autistic boy slipped out of window, drowned in pool

Officials say a 4-year-old who apparently drowned Sunday pushed out a screened window and walked away from his apartment.

Edward Brian Halloran, murdered in 1982.

Court rejects plea by Bulger victim’s family

The US Supreme Court refused to resurrect a lawsuit filed against the FBI by relatives of an alleged victim of James “Whitey’’ Bulger.

Sacha Baron Cohen stars as a despot who winds up working at a Brooklyn food co-op.

Melinda Sue Gordon

Tuesday Preview | Movie Review

Sacha Baron Cohen strikes again

“The Dictator” lacks the cultural tension of Sacha Baron Cohen’s “Borat” and “Bruno,” and is a lazy satire that can’t bring itself to properly satirize anything. 

On Basketball | 76ers vs. Celtics, 7 p.m.

Evan Turner learning his way with 76ers

While Evan Turner may have struggled against some other NBA clubs, at 6 feet 7 inches, he has turned into a matchup problem for the Celtics.

A patient at Mass. General undergoes the controversial cancer treatment.

MGH launching test of proton beam therapy

A five-year study by Massachusetts General Hospital seeks definitive answers about costly radiation treatment for prostate cancer.

Panels containing solar cells make up the new West Tennessee Solar Farm in Stanton, Tenn. (Adrian Sainz photot/AP)

Opinion | The Podium

A solar war between China and US?

If the Commerce Department imposes anti-dumping duties on Chinese manufacturers of solar panels, the US solar industry will pay, says Tom Gutierrez, CEO of GT Advanced Technologies.

Arts

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Television Review

“American Masters” profiles Johnny Carson, who as host of “The Tonight Show” from 1962 to 1992 commanded the world of late-night television.

Closer look at the ‘King of Late Night’

“American Masters” profiles Johnny Carson, who as host of “The Tonight Show” from 1962 to 1992 commanded the world of late-night television.

Business

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EU economic and monetary affairs commissioner Olli Rehn spoke with Greek Finance Minister Philippos Sachinidis, center, before the start of a meeting of European finance ministers in Brussels Monday.

US stocks drop sharply as Europe woes deepen

The Dow dropped more than 125 points amid uncertainty in Greece, part of a broad sell-off, and Treasury yields fell as traders sought greater safety.

Health and wellness

Daily Dose

Ban on DMAA in sports supplements?

Another over-the-counter fitness and weight-loss supplement has come under the scrutiny of the FDA, with some experts calling for an all-out ban on the compound called DMAA.