From crash.net :

Vitantonio Liuzzi admits he was looking for a new drive long before it was confirmed he had been dumped - not that he is particularly impressed by his high-profile replacement... Vitantonio Liuzzi claims he was already talking to other teams before it was revealed he was to be ousted from the Scuderia Toro Rosso team in 2008, the Italian admitting he has high hopes of staying in Formula 1. With Scott Speed already having been shown the door following the arrival of Sebastian Vettel, it was long expected that Liuzzi would also follow, the inevitable eventually occurring last week when Champ Car World Series Champion Sebastien Bourdais was confirmed for next year. It leaves Liuzzi, who came to Formula 1 in 2005 on a wave of publicity as Red Bull's test driver having become the 2004 Formula 3000 Champion, without a drive for 2008 Nonetheless, the Italian denies the decision to drop him came as a surprise, Liuzzi claiming that he knew what was to come when Toro Rosso invited Bourdais to test over the winter. Furthermore, when sister team Red Bull confirmed they would be retaining Mark Webber and David Coulthard, Liuzzi claims that was the prompt he needed to actively start looking elsewhere. ”I started to look around 2 months ago, since I decided not to return to Toro Rosso,” he told Italiaracing.net. “Many contradictory episodes happened in 2007, so I wanted to move on. I'm talking with a couple of high-level teams, but I'm not mentioning their name. I'm also looking to the USA, more at ChampCar than IndyCar, but my main goal is to stay in Formula 1; I feel like I've a lot yet to prove.”

You can no longer prove that you are not a loser - you had your chance.

I already decided to leave - how pathetic can you be ?