June 30 (UPI) -- Rep. Tom Kean Jr., R-N.J., said Tuesday he was hospitalized with depression, a diagnosis that kept him off Capitol Hill for nearly four months without explanation. He made the announcement on the House floor upon his return to Washington, D.C. "I'm grateful that I accepted help," Kean said. "Asking for help is not a weakness. It is a strength." Kean was last present in Congress during a March 5 vote. He missed more than 140 votes in his time away, during which the reason for