Go to this link to listen to great teaching from The Gospel Coalition national conference 2017.  You can hear six great sermons on Galatians, three sessions on biographies of reformers Martin Luther, John Calvin, and others from teachers John Piper, Sandy Wilson, Stephen Nichols, Kevin DeYoung, Congressman Ben Sasse, Peter Adam, DA Carson, Ligon Duncan, Thabiti Anyabwile, Tim Keller, and many other break-out speakers.