Several high-profile suicides have been the focus of a national conversation, and recent numbers show that the rate in New Hampshire is up nearly 50 percent over the past 20 years. The Exchange on Thursday, June 14, will examine what's causing this rise in suicide deaths, and how N.H. is approaching this difficult topic. Mental health professionals urge people suffering from suicidal thoughts to seek help by contacting the National Suicide Prevention Lifeline, which is available 24 hours a day