Columbia activist Mohsen Mahdawi speaks out immediately after launch: "You won't silence me" Mohsen Mahdawi, who was detained when he went for a citizenship interview final month, named his detention a "purple flag for everyone" inside of a CBS News job interview. current 18M back Astronaut joins all-woman spacewalk six https://baidubookmark.com/story19353767/most-retweeted-news-stories-today-fundamentals-explained