On this week's Drilling Deep, host John Kingston brings in his colleague Mark Solomon again to talk about the state of the US Postal Service. Mark was a guest on Drilling Deep not all that long ago to talk about the same subject. But the amount of new controversy that has arisen since then means it's time to revisit this key cog in supply chains.\nAlso on Drilling Deep this week, host John Kingston discusses how a couple of big deals in the U.S. oil patch could be good news for trucking companies that serve that sector.\nMore FreightWaves podcasts\nApple Podcasts\nSpotify\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices