re: Was the CIA behind the gas attack in Syria?

Instances of the United States overthrowing, or attempting to overthrow, a foreign government since the Second World War with material support from the CIA and its assets.

Iran 1953
Guatemala 1954
British Guiana 1953-64
Iraq 1963
North Vietnam 1954-75
Cambodia 1955-70
Laos 1958-1960
Ecuador 1960-63
Congo 1960
Brazil 1962-64
Dominican Republic 1963
Bolivia 1964
Indonesia 1965
Ghana 1966
Chile 1964-73
Greece 1967
Bolivia 1971
Australia 1975
Portugal 1974-76
Jamaica 1976-80
Chad 1981-82
Grenada 1983
Fiji 1987
Nicaragua 1981-90
Panama 1989
Bulgaria 1990
Albania 1991
Afghanistan 1980s
Yugoslavia 1999-2000
Ecuador 2000
Afghanistan 2001
Venezuela 2002
Iraq 2003
Haiti 2004
Somalia 2007 to present
Libya 2011
Ukraine 2014

With all of this, how anyone can reflexively dismiss someone who questions U.S. involvement in this attack as being a tinfoil hat is beyond me.