GOP congressman reveals mystery illness that sidelined him from Congress for nearly four months

Rep. Tom Kean Jr., R-N.J., delivered an emotional speech Tuesday revealing for the first time the medical condition that kept him away from the House and campaign stops for nearly four months. 

Kean said he was given a diagnosis of depression after entering the hospital for "some testing." He said the illness took him months to heal from and left him under doctors' care during a prolonged stay in the hospital. 

"I'm grateful that I accepted help, because today I stand before you stronger...