Or deliberate misinformation?
I bet it is deliberate misinformation. Patti Solis Doyle does not much resemble Huma Abedin, except in hair color and skin tone. You would never mistake Hillary Clinton for Jessica Simpson or vice versa.
Link to the AP photo, with the incorrect caption:
http://news.yahoo.com/nphotos/slideshow/photo//071216/480/1919b839889a4701a337c8173f4da772/
Three Our Father's and three Hail Mary's for that transgression of the mind...