Two senior scientists say National Institutes of Health officials advised them to remove references to mRNA vaccines in grant applications, and they fear the Trump administration will abandon a promis...

A rally on the National Mall including mostly veterans called for the impeachment of President Donald Trump. News4's Paul Wagner reports. _______ NBC4 Washington / WRC-TV is the No. 1 broadcast television station and the home of the most-watched local news in Washington, D.C. The station leads the market in providing timely and breaking news and information in text, video and graphics across more than 15 platforms including NBCWashington.com, the NBC4 app, NBC4 streaming news channel, newsletters, and social media. FOLLOW & STREAM NBC4 WASHINGTON NBC4 News Streaming channel: https://www.nbcwashington.com/watch/ Xumo Play: https://play.xumo.com/live-guide/nbc-washington-dc-news Roku: https://therokuchannel.roku.com/watch/021707311e0b595597f97a389e0051e6/nbc-washington-dc-news Also available on Pluto TV, Freevee, Google TV, TCL, Local Now, and Samsung TV Plus. More here: https://www.nbcwashington.com/watchlive/ Instagram: http://nbc4dc.com/3HxYkYH Threads: http://nbc4dc.com/ZYZAAHJ Facebook: http://nbc4dc.com/iD1GvRQ X: http://nbc4dc.com/APF7vQM TikTok: http://nbc4dc.com/pg5Nx67 VISIT OUR SITE: https://www.nbcwashington.com/ DOWNLOAD OUR FREE APPS: https://www.nbcwashington.com/products/ WATCH NBC4 LIVE ON AMAZON FIRE TV: https://www.nbcwashington.com/firetv/ WATCH NBC4 LIVE ON ROKU: https://www.nbcwashington.com/roku/d

A cross-country storm will explode in strength as it moves over the central United States Friday, delivering extreme weather to millions through the weekend, including the chance of multiple strong to...