This aspect of the legislation is considered particularly controversial, because of concerns about how fair a trail is when the defendant doesn't know who is speaking against him. (politics.co.uk)
Many pharmacies had been unwilling to participate in the scheme because of concerns about security and doubts that the small market of registered users was worth the trouble. (businessinsider.com)
Although perhaps Cuban doesn't see any cause for concern with rising interest rates and foreign creditors walking away from the dollar system. (investmentresearchdynamics.com)