By Barbara Liston and Mark Hosenball ORLANDO, Fla./WASHINGTON (Reuters) - An FBI agent shot and killed a man of Chechen origin who turned violent while being questioned on Wednesday about his connection to Tamerlan Tsarnaev, one of two Chechen brothers suspected of carrying out the Boston Marathon bombings. A friend of the dead man identified him to local media as 27-year-old Ibragim Todashev, who had previously lived in Boston and knew Tsarnaev, the older of the two brothers suspected of planting two bombs at the marathon on April 15. Three people were killed and 264 injured in the attacks. ...

By Mary Wisniewski CHICAGO (Reuters) - The Chicago Board of Education is due to vote on Wednesday on a controversial proposal to close 54 schools in the country's third-largest public school district in what would be the largest mass school closing in the nation. The district's plans to close 53 elementary schools and a high school this year, mainly in Hispanic and African-American neighborhoods, has been met with protests by parents and union leaders who say the closings will disrupt communities and put children in danger with longer walks through troubled areas. ...