in books about inventions. , the tennessee valley authority, the transcontinental railroad, frank lloyd wright'salling water house, the cities of new york, chicago, and los angeles. why not? they were invented by people just as much as anything else in this book and are constantly cited by other peoples at some of our greatest creations. but all these inventions and many more are inextricably linked the american experiment. they were made possible by the character of our country. so what did we do right? six they things come i think. six, six keys to our inventiveness i could identify. first, freedom. .es, you did build that sorry, president obama. at every turnoss and studying the history of american innovation is that this womenat free men and can do when they are afforded the freedom to pursue would government wish -- pursue whatever mad wish. whether it is the inventor of the tool to remove cataracts, or knight,orse, or mattie inventor of the paper bag, the entrepreneurship of an andrew madame demarest, who found a way to invent the dress pattern business and use it flight -- use it to fight