https://www.reuters.com/article/us-tech-antitrust-apple/u-s-senators-criticize-apple-for-not-testifying-on-antitrust-concerns-idUSKBN2BW2NX

Apple Inc is refusing to testify at an upcoming U.S. Senate subcommittee hearing on competition issues related to mobile app stores, the bipartisan leaders of the panel said on Friday.