A Pierce County judge set bail at $250 for 16-year-old Waleed Emad Essakhi, the teen accused of stabbing four students and a security guard at Foss High School in Tacoma in April. In May, Essakhi, who is charged as an adult, pleaded not guilty to four counts of first-degree assault, with a sentencing enhancement for use of a deadly weapon. At that time, bail was set at $750,000. On Monday, the judge imposed the lower amount and ordered Essakhi h…