From here:

ABC and NBC reportedly squared off for bidding rights to her first post-jail interview, but the networks seemed to lose interest after the monetary deal-making became public. That resulted in a promotional windfall for CNN’s “Larry King Live,” which apparently did not have to pay for the sit-down. The network’s strenuous promotion included a countdown clock that ran on “Paula Zahn Now,” the lead-in to King’s show, as well as a lengthy panel postmortem about Hilton on “Anderson Cooper 360.”

Emphasis mine.

Oh and the humidity has fried my brain.