SNEAKERS BAR: One of the heroin-hiding sweets. Federal agents at Newark Airport arrested four people they claim tried to smuggle $5M worth of heroin into the country packed in candy bars. A total of more than 12 pounds of heroin was found divided into dozens of pellets placed in more than 100 bars, which were then individually wrapped and packaged......Customs agents, along with officers of the DEA, found the illegal nougat during a routine inspection of the luggage of Eddie Palma-Jurado, 22, after he arrived from Guayaquil, Ecuador..... Also arrested were Jorge Avila-Ojeda, 26, a US citizen; Marco Ponton-Ojeda,...