She is actually quite talented, despite your contrarian view:
"Cecilia Marcellina Vega (born January 7, 1977) is an American journalist, currently serving as senior White House correspondent for ABC News. She joined the network in 2011 as a Los Angeles-based correspondent. Prior to her White House assignment, she had rotated with Tom Llamas as anchor of the weekend editions of ABC World News Tonight.[1] Vega joined ABC News from KGO-TV in San Francisco, where she was part of a team awarded an Emmy in 2010. Before working in broadcast journalism, she wrote for the San Francisco Chronicle. "
She has plenty of weekend anchoring experience on the network, and award-winning experience at the local ABC station in San Francisco.