Barack Obama Has Won Bow Out Hillary

According to Cenk Uygur and The Young Turks, Barack Obama has won from their reading of The Politico.
"The Politico laid it out very clearly yesterday - and solidified what we've known for weeks - this race is over. Obama has the nomination.

Even Hillary Clinton's own campaign admits it! Politico reports, "One important Clinton adviser estimated to Politico privately that she has no more than a 10 percent chance of winning her race against Barack Obama, an appraisal that was echoed by other operatives. In other words: The notion of the Democratic contest being a dramatic cliffhanger is a game of make-believe."
This beggs the question, what is wrong with Hillary;why don't she bow out?