CHICAGO (AP) -- Ever since terrorists crashed commercial jets into the World Trade Center on Sept. 11, Angela McKeel's mother has worried about her daughter going off to work every ...

Here’s some background information about Willis Tower, formerly the Sears Tower, located in Chicago. Facts The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the ...

CHICAGO (AP) -- Ever since terrorists crashed commercial jets into the World Trade Center on Sept. 11, Angela McKeel's mother has worried about her daughter going off to work every ...