The website and personal credit card information of former Gov. Sarah Palin were cyber-attacked today by Wikileaks supporters, the 2008 GOP vice presidential candidate tells ABC News in an email. Hackers in London apparently affiliated with “Operation Payback” – a group of supporters of Julian Assange and Wikileaks – have tried to shut down SarahPac and have disrupted Sarah and Todd Palin’s personal credit card accounts. “No wonder others are keeping silent about Assange's antics,” Palin emailed. “This is what happens when you exercise the First Amendment and speak against his sick, un-American espionage efforts.” Palin has criticized Wikileaks founder...