ANNAPOLIS, Md.- A former aide of Gov. Robert Ehrlich asked last year about removing Baltimore Mayor Martin O'Malley's sister-in-law from her state job, according to e-mails obtained by The Washington Post . The aide, Joseph Steffen, was dismissed by Ehrlich for spreading rumors about O'Malley. E-mails from Steffen's computer show that in July he asked an Ehrlich appointments official about who had authority over Melinda O'Malley's job as a lawyer representing the Maryland Insurance Administration. O'Malley, who was on maternity leave at the time, told The Post that she was "kind of stunned" when she learned about the e-mail: "It...