Prosecutors will pursue the death penalty for a man accused of paying a 14-year-old boy in marijuana to kill a Pennsylvania father over a drug dispute in a murder-for-hire plot. Calvin Huffman, 38, is facing several charges, including murder and solicitation, in connection with the death of 38-year-old Anthony Jones of Uniontown, Pennsylvania, officials in Fayette County, announced Friday. Huffman -– a career criminal with “a substantial record and history of violence” – allegedly paid then 14-year-old Antonyo Owens with three bags of pot and $5,000 in cash to murder Jones outside a church las…