The Republican congressman hasn't been seen on Capitol Hill since March. WASHINGTON ― Rep. Tom Kean (R-N.J.) on Tuesday finally revealed the health problem that’s kept him from the Capitol for nearly four months: depression. In a speech on the House floor, Kean said he’d been hospitalized. “I entered the hospital for some testing. I did not believe that this would result in a long-term stay. I was given the diagnosis of depression,” Kean said. “When I first informed the public I was dealing