Wal-Mart is pursuing Silicon Valley talent and investing heavily in new technologies in its push to take on competitors like Amazon, said Wal-Mart CEO Mike Duke.
Two people were killed and at least 100 people injured after two explosions went off near the finish line of the Boston Marathon.
French Budget Minister Jerome Cahuzac has resigned after being implicated in a tax fraud investigation.
Florida's Lt. Gov. resigned Wednesday after being questioned by law enforcement about her connection to an embattled Internet cafe operator.
A suicide bomber killed a Turkish security guard at the U.S. embassy in Ankara on Friday, blowing the door off a side entrance and sending smoke and debris flying into the street.