President Obama will return home from a visit to Spain a day early to deal with violent shootings in the U.S. How social media is exposing what may have been happening for some time. Bernie Sanders may finally be ready to endorse his former rival Hillary Clinton. Donald Trump prepares to unveil his pick for a running mate. Crisis in South Sudan as the UN Security Council holds an emergency meeting. Egypt's foreign minister visits Israel in hopes of helping jump start peace talks with the Palestinians. And breaking records at Wimbledon.