Veteran UK broadcaster Sir David Frost is to join Arabic-language TV station al-Jazeera, the network has confirmed. Sir David is to appear on al-Jazeera International, the pan-Arab news network's new English-language channel, due to be launched next spring. The Qatar-based channel said Sir David, who broadcast his final Breakfast with Frost programme for the BBC in May, would be among the "key on-air talent". Sir David was quoted as saying he felt "excitement" about his new role. "Most of the television I have done over the years has been aimed at British and American audiences," he said. Distinguished career "This...