Clarion has debuted its new Next Gate in-vehicle controller for iPhone. Designed to make controlling the iPhone in a vehicle both safer and more convenient, the Next Gate sits on a vehicle’s dash, and allows the user to control certain iPhone functions via the built-in 7-inch WVGA touchscreen. It can control certain apps—including Pandora and Odyssey—that have been optimized for in-vehicle use, control audio playback, handle calls…