With John Kerry’s bruising defeat still recent, Barack Obama’s “electrifying speech” at the 2004 Democratic convention had made him a top contender for 2008. “Obama isn’t cocky, but he is confident and fully prepared to step into a leadership role for the Democrats,” Jonathan Alter reported. The 43-year-old senator was not accustomed to the attention. “I’m so overexposed, I make Paris Hilton look like a recluse,” he joked. The accompanying photos reveal just how much his subsequent presidency aged him.