©2015 Bloomberg News NYYYIV6K50XT (Bloomberg) — President Barack Obama warned that the mass shooting in California last week showed the terrorist menace has evolved into a “new phase” of less sophisticated, harder to detect plots, while assuring the public that organizations like Islamic State that threaten the U.S. will be

©2015 Bloomberg News NOBABP6KLVR7 (Bloomberg) — Wal-Mart Stores Inc. will offer a $50-a-year unlimited free-shipping service for online customers starting this summer, seeking to challenge the $99 Prime service offered by retail rival Amazon.com Inc. The service will be available by invitation only in select markets, said Ravi Jariwala, a spokesman