Addressing Mrs Merkel with the words "Dear Angela, ", Ms Schavan thanked the chancellor for her friendship.

BBC: German minister Annette Schavan quits over 'plagiarism'

He balanced that with strong words for Republicans, addressing a concern among many rank-and-file Democrats that the president has not done enough to challenge Republicans.

WSJ: Infrastructure Likely Part

It provides technical support in the form of an online database of some 10, 000 documents, each about 1, 000 words long, and each addressing a particular problem.

ECONOMIST: Machine translation

In other words, specialized software focused on addressing some unique need.

FORBES: The Big Data Landscape Revisited

President Obama should listen closely to the words of his predecessor and very seriously consider directly addressing his 2008 statement.

FORBES: Bill Clinton Sounds The Right Note In Warning Those Who Disrespect The American Gun Culture

He says Mr Buffett continually asks "why" about companies, seeking "answers to problems that don't exist" - in other words, he wants to understand completely and not wait for problems to occur before addressing them.

BBC: Mr Buffett played the ukulele at this year's Berkshire AGM