How long have we been starting our sentences with "so"?Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at <a href="http://www.slate.com/podcastsplus">www.slate.com/podcastsplus</a>. Twitter: @lexiconvalleyFacebook: facebook.com/LexiconValleyEmail: <a href="mailto:lexiconvalley@slate.com">lexiconvalley@slate.com</a> Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

What Was the First Language?

A feed from the Slate podcast network featuring episodes with enlightening conversations, opposing views, and plenty of healthy disputes. You'll get a curated selection of episodes from programs like What Next, The Waves, and the Political Gabfest, with deep discussions that go beyond point-counterpoint and shed light on the issues that matter most.