The following contains MAJOR SPOILERS for “The Dreamscape,” the ninth episode of the Fox series, “Fringe.” A businessman makes a suicidal exit through a high-rise window, desperate to escape a frightening swarm of razor-tipped butterflies. That’s right, “Fringe” takes one of nature’s few adorable insects and weaponizes it into a deadly flying paper cut. Ouch! But like most occurrences in this program, not all is as it appears. And as the episode title suggests, “The Dreamscape,” mind tricks run rampant. Agent Olivia Dunham and the Bishops are tasked to investigate the death of the businessman, Mark (Ptolemy Slocum), which occurred at the Massive Dynamic building. He was a promising analyst with the tech giant. Walter notes unusual cuts on Mark unrelated to the fall. At the same time, …