David Bowie's widow Iman breaks silenceNEW YORK – JUNE 07: Model Iman (L) and musician David Bowie attend the 2010 CFDA Fashion Awards at Alice Tully Hall, Lincoln Center on June 7, 2010 in New York City. (Photo by Dimitrios Kambouris/Getty Images)Late singer David Bowie’s grieving widow Iman addressed the public through social media for the first time in weeks on Saturday. The “Ziggy Stardust” musician passed away from liver cancer at the age of 69 in New York City at his Manhattan family home on January 10 and he was cremated two days after his demise. In the wake of Bowie’s death, supermodel Iman has been out of the