A convenience store employee allegedly attacked a 64-year-old customer over the price of beer, striking him with the six-pack, repeatedly beating him and apparently stabbing him with a screwdriver, prosecutors say. Qvon Turner, 25, was working the register at a store in the 1100 block of North Ashland Avenue on the evening of September 21 when the customer disputed the price of the beer, which he believed cost about $11, according to prosecutors. The two argued for about 20 seconds before the customer requested a refund. Turner refused, grabbed the six-pack and allegedly slammed it into the right side of...