BBC News has named Caitríona Perry a chief presenter broadcasting out of the Washington, D.C., bureau. She joins fellow chief presenter Sumi Somaskanda in the U.S. capital.  Perry is familiar with the D.C. area, having served as the US-based correspondent for RTÉ, Ireland’s national public service broadcaster. Prior to this appointment, Perry was the anchor for RTÉ’s main evening news program and and fronted special event programming.  In April, BBC soft relaunched its new single unified news network, the BBC News Channel. The unified news network combined BBC News, a U.K.-focused news channel, and BBC World News, its international channel.