They have also deliberately removed the exif data from the picture so who knows when it was actually taken?
Not that exif data isn't easily modified, but the exif data is intact on the original image.
Filename - 8436110735_e822c23e69_o.jpg
ImageWidth - 4096
ImageLength - 2730
BitsPerSample - 8 8 8
PhotometricInterpretation - 2
ImageDescription - President Barack Obama shoots clay target on the range at Camp David, Md., Saturday, Aug. 4, 2012. (Official White House Photo by Pete Souza)
This official White House photograph is being made available only for publication by news organizations and/or f
Make - Canon
Model - Canon EOS 5D Mark III
Orientation - Top left
SamplesPerPixel - 3
XResolution - 240
YResolution - 240
ResolutionUnit - Inch
Software - Adobe Photoshop CS6 (Macintosh)
DateTime - 2013:02:01 17:11:38
Artist - Pete Souza
YCbCrPositioning - Centered
Copyright - This official White House photograph is being made available only for publication by news organizations and/or for personal use printing by the subject(s) of the photograph. The photograph may not be manipulated in any way and may not be used in commercia
ExifOffset - 1350
ExposureTime - 1/320 seconds
FNumber - 4
ExposureProgram - Manual control
ISOSpeedRatings - 400
ExifVersion - 0230
DateTimeOriginal - 2012:08:04 19:19:21
DateTimeDigitized - 2012:08:04 19:19:21
ComponentsConfiguration - YCbCr
ShutterSpeedValue - 1/320 seconds
ApertureValue - F 4.00
ExposureBiasValue - 0
MaxApertureValue - F 2.83
MeteringMode - Center weighted average
Flash - Flash not fired, compulsory flash mode
FocalLength - 170 mm
SubsecTimeOriginal - 31
SubsecTimeDigitized - 31
FlashPixVersion - 0100
ColorSpace - sRGB
ExifImageWidth - 1
ExifImageHeight - 1
FocalPlaneXResolution - 160
FocalPlaneYResolution - 160
FocalPlaneResolutionUnit - No unit
CustomRendered - Normal process
ExposureMode - Manual
White Balance - Auto
SceneCaptureType - Standard
Thumbnail: -
Compression - 6 (JPG)
XResolution - 72
YResolution - 72
ResolutionUnit - Inch
JpegIFOffset - 2056
JpegIFByteCount - 8285