By Michael Tedder Just this once, you can tell Lil Nas X something. In the summer of 2019, Lil Nas X emerged from the digital ether to take us all with him to the “Old Town Road,” reminding us all again about the freedom offered by both social media and unfettered horses. During his ongoing benevolent reign, the man born Montero Lamar Hill made it abundantly clear, given every opportunity, that you could, in fact, tell him nothing. But now Lil Nas X has decreed that, for a brief window of both time and purpose, he is now willing to hear his subjects out. The rapper has teamed with Taco Bell (Y…