Push articles onto the correct navigation stack.
Push articles onto the correct navigation stack.

Articles wouldn't get pushed after the list view got removed from the view heirarchy, so if we access one of the two navigation controllers the main view controller knows about, we should be golden.

jellybeansoup/ios-sherpa,jellybeansoup/ios-sherpa,jellybeansoup/ios-sherpa,jellybeansoup/ios-sherpa