March 10, 2009 6:48 am Missing Toddler's Dad Proposes to Teenage Girlfriend The father of missing 5-year-old Haleigh Cummings has asked his teenage girlfriend, Misty Croslin, to marry him. Croslin was the last person to see Haleigh the night before she went missing. US & World Videos 1:46 Heat waves getting hotter, longer, and more frequent because of climate change 1:03 More than 2,000 people buried alive in Papua New Guinea landslide, Government says 45:40 How this surgeon wants to reinvent the American urgent care center 1:56 Mike Tyson ‘doing great' after health scare on flight 2:18 Remembering basketball legend and San Diego native Bill Walton