The Latest: Federer, Barty, Serena highlight Wimbledon Day 2

Roger Federer and Serena Williams return to Centre Court to highlight Day 2 at Wimbledon. Top-ranked Ashleigh Barty also gets her campaign started by facing Carla Suarez Navarro. The sky is gray with rain possible later in the afternoon after a soggy opening day at the All England Club. It's...