A coalition of longtime anti-Israel activists and groups is spearheading a "grassroots" campaign by Google and Amazon employees calling on the companies to cut business ties with Israel, drawing accusations that it's an astroturf operation. On Oct. 12, a group of "anonymous Google and Amazon employees" published an open letter in the Guardian calling on their employers to pull out of a project with the Israeli government to develop a cloud data system—called Project Nimbus—and "cut all ties with the Israeli military." The authors said they were withholding their identities "because we fear retaliation" and claimed "more than 90 workers...