Here’s some of what I’m reading up on this morning:

• Three Muslim college students, Deah Barakat, Yusor Mohammad Abu-Salha and Razan Mohammad Abu-Salha, are shot and killed by Craig Stephen Hicks, a white man, in Chapel Hill, North Carolina. 

• Jeb Bush’s chief technology officer resigns after his racist, misogynist tweets emerge. 

• At least 300 Africanmigrants die attempting to cross into Italy–many drowning amid massive waves and freezing temperatures. 

• Twitter’s CFO’s account is hacked. 

• Mark Burnett, a security analyst, releases 10,000,000 usernames and passwords in order to make a political statement.

• Jon Stewart is leaving "The Daily Show". 

• So-called smart insulin is being tested in hopes that it can release insulin in the body only when needed for Type I diabetics.