Klein is a regular blogger on time.com's "Swampland" blog. In November 2007, "Salon" columnist Glenn Greenwald wrote about what he alleged were factual errors in a Klein story about the Foreign Intelligence Surveillance Act (FISA). Klein reported that the Democratic version of the FISA bill "would require the surveillance of every foreign-terrorist target's calls to be approved by the FISA court" and that it therefore "would give terrorists the same legal protections as Americans." "Time" later published a comment: "In the original version of this story, Joe Klein wrote that the House Democratic version of the Foreign Intelligence Surveillance Act (FISA) would allow a court review of individual foreign surveillance targets. Republicans believe the bill can be interpreted that way, but Democrats don't." Greenwald noted that the text of the legislation does not require court review of individual targets, and that "Time"'s response disregards this fact. Klein's response was, "I have neither the time nor legal background to figure out who's right."