In this undated photo provided by NBC, Valerie Harper, right, poses with Savannah Guthrie of NBC's "Today" at Harper's home in Los Angeles. In her first TV interview since disclosing he

 

              In this undated photo provided by NBC, Valerie Harper, right, poses with Savannah Guthrie of NBC
In this undated photo provided by NBC, Valerie Harper, right, poses with Savannah Guthrie of NBC's "Today" at Harper's home in Los Angeles. In her first TV interview since disclosing her diagnosis last week, the 1970s sitcom star tells Guthrie that "'incurable' is a tough word." It is scheduled to air on Monday, March 12, 2013. (AP Photo/NBC)