Federal regulators are reportedly ready to block the Staples-Office Depot merger.
At a conference, Obama says U.S. is partly to blame for climate change.
Warren Buffett to campaign for Hillary Clinton.
VTech Holdings says data from five million customer accounts were breached.
U.S. moves to tighten visa waiver program after Paris attacks.
BlackBerry leaves Pakistan, rejecting government surveillance demands.
Target.com crashes on Cyber Monday.
Uber teams up with (RED) and the Gates Foundation this Giving Tuesday to fight AIDS.
Judge sets $1.5 million bail for Chicago cop who killed teen.
Hamburg says no to the 2024 Olympics—and it’s not clear why any city would say yes.
Photo of Cyber Monday sign on laptop computer courtesy of Shutterstock.