Challenges we face as a country, they are pretty stark challenges and our politics are terrible. But i would think you would rather have our challenges than any major emerging economy around the world. Watch that entire event from the milken institutes global conference tonight at 8 00 p. M. Eastern on cspan. Here are some of our featureded programs for this weekend on the cspan networks. On cspan, saturday starting at noon. Politicians, white house officials and Business Leaders offer advise and encouragement to the class of 2015. Speakers include former president , george w. Bush and chair of dreamworks animation. At 9 15. Former Staff Members reflect on the presidency of george h. W. Bush. And sunday afternoon more commencement speeches from across the country with former secretaries of state Condoleezza Rice and madeline albright. On cspan 2 saturday morning book tv is in new york city with events from book expo america beginning at 10 00 and live callin segments throughout the day