- Michael D'Antonio: Rudy Giuliani claims Trump is no longer holding to his birther doubts
- But Trump has yet to affirm the former New York mayor's statement, he says
Michael D'Antonio is the author of the new book, "The Truth About Trump." The opinions expressed in this commentary are his.
(CNN)With 53 days to go before Americans elect the next president, Donald Trump's campaign has acknowledged that the current officeholder, Barack Obama, is in fact an American.