By: Addison Wylie Steven Soderbergh’s alleged “last movie” Side Effects is one half murder mystery and another half docudrama about the pharmaceutical industry. It only truly excels at being one of these, but the film is interesting nonetheless from start to finish. Emily Taylor, an often distraught wife played by Rooney Mara, greets her hubby (played by Channing Tatum) after he’s been incarcerated for a lengthy prison term. Life is seemingly back to normal, but…