There may be changes coming to this company, if the activists get their way.On Oct. 6, The Wall Street Journal reported that activist investor group Starboard Value owns a stake in Pfizer (PFE -2.82%) that's worth approximately $1 billion. Now, Starboard will aim to work with the company's management as well as consult with former executives -- all with the aim of turning around Pfizer's sagging fortunes.But can bringing in a new group of advisors do much to bolster Pfizer's competitiveness? Was there actua ...