The difference between what presidents want to say at news conferences and what reporters ask questions about can be quite divergent. This gap is exemplified below.
The top graphic, developed using a service provided by Wordle.net, is the text of President Obama's speech given Wednesday morning at the White House. Below that is a graphic using the same speech text but also the text of the answers Obama gave to reporters' questions. The more words are used in each speech, the larger and bolder they appear in each graphic. The text of both graphics was provided by the White House.
President Obama's Speech
President Obama's Speech with Answers to Reporters' Questions