Rep. Jesse Jackson Jr. was last seen on Capitol Hill in late May . He got treatment at the Mayo Clinic for bipolar disorder . `` Many of us have genetic predisposition to cancer , heart disease or , in this case , mental illness , but they often get triggered by environmental factors , '' said Kennedy , the son of the late Sen. Edward Kennedy . On whether Jackson will be back at work Monday , a top reporter says , ` ` We hope ''
Rep. Jesse Jackson Jr. was last seen on Capitol Hill in late May . He got treatment at the Mayo Clinic for bipolar disorder . On whether Jackson will be back at work Monday , a top reporter says , ` ` We hope ''