Introduction to The War Conspiracy (Peter Dale Scott)
Summarizes some of UC Berkeley Professor Emeritus Peter Dale Scott's theoretical groundwork of "Parapolitics" and "Deep Politics." An intelligent and thoughtful approach to analyzing corruption and clandestine policymaking in high places which avoids the simplistic and naieve views at either extreme — on one side, the classic pathological conspiracy theorist who sees cabals and control everywhere; on the other side, the dogmatic structuralist / institutional theorist who makes every possible effort to deny that conspiracies play a meaningful role at all.

Conspiracy Theories and Clandestine Politics (Jeffrey M. Bale)
A useful analysis of distinctions which should be maintained between "conspiracy theory" (a pathological orientation) and "clandestine [or 'deep'] politics". From Lobster #29, June 1995.

Food for thought from the archives...
This 1995 article makes a strong case that anticonspiratorial dogmatism has little to do with enlightened, progressive thinking, and instead bears its lineage from centrist liberal elitism and McCarthyism. Also, there is interesting historical background on the scapegoating of the grassroots right in the wake of the 1995 Oklahoma City bombing (in which Left anti-conspiracist John Foster "Chip" Berlet played a leading role).
America's Extremist Center (Sam Smith, Progressive Review)

On Being a "Conspiracy Theorist" (Butler Crittenden, Ph.D. 1999)
This essay is very strong and thoughtfully assembled, completely exposing and disassembling the arguments that have been raised by institutional progressives such as Michael Albert who try to claim that conspiracy analysis is incompatible with the tradition of progressive / left politics (as well as the norms of historical inquiry in general). This is one of the most compelling and conclusive treatments of the subject here, although in light of recent developments one may want to think critically about some of the recommendations he makes vis a vis the "progressive" media.

Left Media and "Conspiracies"—CIA and cocaine vs. 9/11 (Portland Indymedia contributor)
The 9/11 anti-conspiracist campaign was similar to and involved some of the same media figures as the response to revelations of CIA drug smuggling several years ago, when the groundbreaking investigative reporting of Gary Webb was dismissed and attacked. It was later vindicated.There is a clear pattern of the same general group of "progressives" going on the attack on behalf of the government whenever critically damaging information about official high crimes makes it out of the woodwork.

Incidentally, Gary Webb's 1996 exposé on CIA complicity in the crack cocaine epidemic recently was put back online.

Multiculturalism and the Ruling Elite (Daniel Brandt, 1993)
How the CIA-linked establishment foundations encouraged the formation of a Left establishment that has focused on racism, sexism, and diversity to the exclusion of all else – a very convenient situation for the ruling elites who don't want anyone doing power structure research. Thus this is another mechanism which works in conjunction with anticonspiracist dogma to create a controlled opposition which covers up the elite agenda.

media double standards:
When's a conspiracy theory not a conspiracy theory? It all depends on who's said to be doing the conspiring (Steven Gowans, July 2002)

Primer on Understanding Conspiracies
(James Higdon, Online Journal)
An article written shortly after 9/11 which logically counters some of the negative emotional presumptions and fallacies often brought to the table when considering claims of conspiracy.