A 71-year old Chicago man was executed a block from his Chinatown home in a suspected random attack on his way to buy a newspaper Tuesday afternoon. Dramatic footage reveals the moment Woom Sing Tse, a retired restaurateur, was walking by the Haines Elementary School, in Chinatown, when a silver two-door car slows by him. The unidentified driver, believed to be in his 20s, pulls out a gun and begins shooting Tse, who falls to the ground. The driver parks, steps out of the vehicle, and continues to unload his gun on the wounded man, killing him. Tse, a Chinese...