Settle in with these weekend reads

(CNN)An unexpected mission. The shaping of a nation. Grab a cup of coffee and settle in. Here's what you might have missed during a busy news week.

Khizr Khan immigrated to this country with $200 and hope. The Muslim Gold Star father's fame grew overnight after a fiery speech that turned him into a protector of freedom and a critical force against the President of the United States.
    One week. That's how long the US Department of Health and Human Services has to reunite as many as 2,551 children ages 5 and up who were separated from their families after crossing the US border. Here's a look at what these staffers are up against.
    Two pivotal changes helped upend the internet as we knew it within a period of six months: Twitter launched in March of that year and Facebook announced News Feed in September. Those two events changed how we engage with friends, consume news and view the world.
    A tale of two state districts explains why the geographic, demographic and cultural chasm between Republicans and Democrats is about to grow much wider -- with ominous implications for America's escalating tensions as midterm elections near.