It is therefore possible that the distribution of variable host condition in a population could alone have implications for the distribution of parasites within it through the activity of condition-linked immunity (CLI).
The modern form of the White House Press Corps emerged in the 1930s, when President Franklin Roosevelt realized that the press was a powerful medium, and he actively worked to make the White House, and the President, more news worthy.
In August 2006, President George W. Bush hosted seven White House Press Secretaries before the James S. Brady Press Briefing Room underwent renovation. From left, Joe Lockhart, Dee Dee Myers, Marlin Fitzwater, Bush, Tony Snow, Ron Nessen and James Brady (seated) with his wife Sarah Brady.