The South Side man arrested outside President Obama’s Kenwood home with a gun last fall was sentenced to five years in prison today for his aggravated unlawful use of a weapon conviction. Omhari Sengstacke, grandson of late Chicago Defender publisher John Sengstacke, pleaded guilty to a Class 2 felony before Cook County Judge Nicholas Ford last month. The convicted felon, 31, didn’t make any threats against Obama in the Sept. 23 incident but repeatedly approached officers stationed near the then-Illinois senator’s home, saying he wanted to speak with Obama about getting a job, according to prosecutors. In Sengstacke’s BMW, police...