It looks like Sarah Palin wasn’t the only target of an online hacker. Law enforcement officials are investigating claims that the private e-mail accounts of the Republican vice presidential candidate’s family and staff were also compromised. “Yesterday, the Department received a referral alleging that the personal e-mail accounts of Gov. Sarah Palin, her staff, and her family had been unlawfully hacked. The Department is reviewing the matter,” Justice Department spokeswoman Laura Sweeney said on Thursday. The FBI and Secret Service launched a formal investigation on Wednesday into the hacking of one of Palin’s Yahoo! e-mail accounts. Yahoo! declined to comment...