AXIOS (Sara Fischer) - Welcome to Washington's new media landscape
White House Correspondents' Dinner weekend has always been a reflection of the changing news ecosystem, but this year's event shows just how fast the media industry is being disrupted. Why it matters: Washington's traditional media power-brokers are being challenged by independent journalists and upstarts with a less complicated political history. Driving the news: Stretching from Thursday to Sunday, a dozen parties and events surrounding this year's dinner were thrown by startup news organizations and outlets less than 10 years old. - Those outlets, such as Punchbowl, Semafor, Axios, Puck, NOTUS, and more, attracted corporate sponsors such as Boeing and Amazon. - There were also several events this year hosted by independent creators…