“(This) is a blatant attempt to intimidate (the Registered Nurses’ Association of Ontario) into staying silent on matters of interest to our members and the public. We recognize it as a bullying tactic and we will not be influenced by it in any way, shape or form,” Doris Grinspun, chief executive of the nurses’ association, wrote Thursday to Murray Glendining, chief executive of London Health Sciences Centre, and hospital board chair Tom Gergely. The Free Pressobtained the letter.