The AC360 Weekly Buzz: Chardon shooting, Romney, Santorum, Syria, Midwest tornadoes, Super Tuesday

 What everyone’s talking about:

T.J. Lane, 17, was charged on Thursday afternoon with six counts, including aggravated murder. in juvenile court after he admitted to bringing a .22 caliber gun and a knife to Chardon High school in Ohio on Monday. He allegedly fired 10 rounds in the cafeteria, said Geauga County Prosecutor David Joyce. The shooting left three students dead and two others wounded; the 911 call was released shortly after. On Monday Anderson spoke to one of the victims, Nate Mueller, who was grazed by a bullet before escaping the gunfire. And in an emotional conversation, Dina Parmertor, mother of one of the teens killed, tells Anderson how her son Danny’s death has left her heartbroken. As a symbolic gesture, she and her husband will place her son’s first paycheck in his coffin because he was so excited about getting his first job.

In the race for the Republican presidential nomination, Mitt Romney won the Arizona primary and the Wyoming caucuses. While the former Massachusetts governor won the popular vote in the Michigan primary, with 41% to Rick Santorum's 38%, he will split the Michigan delegates with Santorum. They will each receive 15. Also in politics, GOP Presidential candidate Rick Santorum made some controversial comments about President’s Obama’s push for Americans to go to college or receive job training – We’re Keeping Them Honest.

Earlier this week Syrian government praised their new constitution, while violence was taking place throughout the country – especially in the city of Homs, where Journalist Marie Colvin was killed last week. Anderson spoke with Colvin’s family about her commitment to human rights and their hopes of giving her a proper burial in the United States.

Today’s Scoop:

Aid groups will be allowed into the Hom’s neighborhood of Baba Amr tomorrow as Syrian security forces barged into homes and snipers took positions on rooftops after the opposition forces retreated today. At least 45 people were killed on Thursday, including 24 in Homs, according to the Local Coordination Committees of Syria (LLC). The Syrian government continues to lie about their attacks and the conditions in the country. Tonight Anderson will speak with an activist named “Danny” who has documented the violence, and a journalist who escaped the country after surviving the shelling in Baba Amr that killed journalists Marie Colvin and Remi Ochlik. We’re Keeping Them Honest at 8 and 10 p.m. ET.

A powerful storm swept through the Midwest on Wednesday, spawning tornadoes that left at least 13 dead, more than 200 injured. Join us tonight when Anderson talks to CNN’s Gary Tuchman about the storm’s devastating aftermath, and weather watches are up across the region for a possible new storm that could form on Friday. View stunning photos of the destruction taken today by the AC360 producers on the ground in Harrisburg, Illinois.

A look ahead:

The candidates are preparing for multiple races on Super Tuesday next week including primaries in Georgia, Massachusetts, Ohio, Oklahoma, Tennessee. Vermont and Virginia. Watch CNN’s special coverage for results and analysis on Tuesday, March 6 starting at 6 p.m. ET.

Buzz-winning story:

A military widow, Sarah Wood, received a free home for herself and her son as part of Operation Finally Home, a non-profit organization started by CNN Hero Dan Wallrath. When the organization surprised Wood during a Houston Texans game, “tears just started flowing from everybody,” said Wallrath.

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