A 47-year-old man was sentenced Friday to 14 years in prison for fatally shooting a man and woman in a mobile home that was torched to cover up the crime in Santa Ana. Jason Blanchard pleaded guilty May 26 to two counts of voluntary manslaughter with sentencing enhancements for the discharge of a gun in a plea deal with prosecutors, who dismissed murder charges with special circumstance allegations of multiple murders. Prosecutors also resolved …