deliver a speech on his friend's behalf at the GOP convention in September.

Will he also attend the Democratic convention in August? "That could be dangerous," he says with a rueful laugh.

Elected to a fourth term in 2006 running as an independent, Lieberman has given Democrats majority control in the closely divided Senate by caucusing with them. Democrats kept him in his post atop the Homeland Security Committee.

Still, he's "not comfortable with any political party," he says, voting at times with Republicans, at times with Democrats.

"For now, I've decided to stay and fight for the kind of security policy, foreign policy that I think the party stood for when I joined in the '60s," Lieberman says. Asked if he plans to be a Democrat "forever," he replies, "You know,that only the same individuals were used, one or both of the analyses was rerun using only overlapping individuals when necessary. All studies were approved by appropriate research ethics committees and all respondents signed informed consent prior to participation. The ARIC study was approved by the University of Mississippi Medical Center IRB, Wake Forest University Health Sciences IRB, University of Minnesota IRB, and John Hopkins University IRB. The B58C study was approved by the South East England Multi-Centre Research Ethics Committee and the London & South East Committee of the National Research Ethics Service. The BMES was approved by the University of Sydney and the Western Sydney Area Health Service Human Research Ethics Committees. The CHS was approved by the Wake Forest University Health Sciences IRB, University of