DALLAS -- Mavericks owner Mark Cuban implored people to have honest, uncomfortable conversations about race as a means of helping the country move forward. Cuban made his comments Tuesday morning at an invitation-only event billed as "Courageous Conversation," a series of discussions about systemic racism and disparities facing the black community. The Mavs franchise organized and hosted the event in Victory Plaza outside the American Airlines Center, recruiting several prominent local officials to take part. "I need all of us to really open up and talk to each other, even when it's difficult," Cuban said during his brief speech at...