the spirit that took flight at kittyhawk and cape canaveral, the spirit that cures disease and put aomputer in every pocket. it's that spirit. a faith in reason and enterprise and the primacy of right over might that allowed us to resist the lure of fascism and tyranny during the great depression. that allowed us to build a post-world war ii order with other democracies, an order based not just on military power or national affiliations but built on principles, the rule of law, human rights, freedom of religion and speech and assembly and an independent press. [ cheers and applause ] that order is now being challenged first by violent fanatics who claim to speak for islam, more recently byautocr autocrats in foreign capitals who see free markets and open democracies and civil society itself as a threat to their power. the peril each poses to our democracy is more far-reaching than a car bomb or a missile. they represent the fear of change, the fear of people who look or speak or pray differently. the contempt for the rule of law that holds leaders accountable. an intolerance of disse

1902 they have the working glider where they're flying up to almost 30 seconds from the dunes of kittyhawk, north carolina, the kill devil hills in which they've traveled there but it's the one spot in america with consistent winds and isolation so they can work in peace without distraction. the structure is influenced by chanute and the trust with trusses you see of the railroad bridges of the 19th century. you look at the wing warping. they knockage it will be reciprocating piston engine. orville and charley taylor create a horizontal force under 12 horsepower engine. they know they need that much power to generate the thrust of the propellers and that's another very specific choice the wright brothers make is it's going to have propellers on their new flying machine. how do propellers work? they figure they can go to existing data on ship propellers, and that doesn't give them any answers. so the same sort of intellectual give-and-take, the brothers are gnashing at each other, they're really going at it. and they realize that a propeller is a rotating wing in a helical path. and so, the