by: Michael Calderone | Huffington Post

NEW YORK -- The Washington Post's Jason Horowitz shook up the political world Thursday morning with a deeply reported story about Mitt Romney's prep school days, an account that included disturbing recollections from former classmates about the presumptive Republican presidential nominee's behavior toward two students perceived to be gay.

But Post print subscribers -- greeted Thursday by a two-column headline touting President Barack Obama's newly stated support for marriage equality, "Historic step by Obama on gay marriage" -- wouldn't find the 5,500-word piece in the paper, even though it was ready to go.