ike) are worthless. This ignores the replication of results, which is routinely undertaken by scientists. Any important result will be replicated many times by many different people. The above arguments are weaker in medical research, where data is often fake and distorted in order to support products. For example, tobacco companies regularly produce reports "proving'' that smoking is harmless, and drug companies have both faked and suppressed data related to the safety or effectiveness of major products. This type of fraud does not reflect on the validity of the scientific method. Despite the strong differences of political theory and scientific theory, they are both essential in understanding the world. Theory will always be linked to testability and theories will continue to be formulated and discarded; it is what makes people think. Theory, then, in short: it wants to be local and restricted but the structures of power--political and scientific--are national and global. To theorize the inside one must theorize the outside. ...