As a single mother-of-eight, Kate Gosselin is no stranger to stress. But it took Mama Grizzly Sarah Palin to publicly reduce her to tears. The bizarre duo headed off together on a camping trip in Sarah's native Alaska recently. Filming the adventure for an episode of the politician's new reality show, Sarah Palin's Alaska, Kate brought her eight children with her. 'I have never camped for real,' Kate, 35, admitted in a new clip of the episode, released today on Usmagazine.com. In the preview clip, viewers can watch Kate hiking through the woods with her group of children and learning...