LAS VEGAS — Hundreds of journalists declined to stand during the national anthem at the Democratic debate at the Wynn Las Vegas, with only 20 out of nearly 400 rising from their seats, some recognizable from conservative media outlets. There are differing views as to the proper convention for a televised national anthem, though some suggest that when the anthem is played at a public event, even on television, those present should stand–even if they are observers. At the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California last month, few journalists stood for the anthem