1. July 20, 2012, Aurora, Colorado, Theater Shooting: 10 Days Without Tweeting
2. Aug. 5, 2012, Sikh Temple Shooting: One Day Without Tweeting
3. Dec. 11, 2012, Clackamas Town Center Shooting: One Day Without Tweeting
4. Dec. 14, 2012, Sandy Hook Elementary School Shooting: Four Days Without Tweeting
5. Sept. 16, 2013, Washington, D.C., Navy Yard Shooting: One Day (And Counting) Without Tweeting
- Justice Antonin Scalia, who served almost 30 years on the Supreme Court as one of its most prominent and influential conservative voices, died Saturday. He was 79.
- U.S. Republican presidential candidates debated for the first time since Donald Trump's win in New Hampshire, and it got intense.
- Bitterly cold temperatures and arctic winds began freezing large swathes of the U.S. Northeast ❄️