Not only has Barry Diller exiled his former IAC No. 2, Doug Lebda, to LendingTree; he's officially washing his hands of Lebda's company. After he finishes splitting IAC into five parts, Diller plans to stay involved only with the new IAC and Ticketmaster, as well as Expedia, the online travel agent he spun off in 2005. A source close to Lebda believes he's just as glad to be through with Diller.