KANSAS CITY, Kan. — Inside a small bungalow on the street separating Kansas City, Kan., from its sister city in Missouri, a small group of entrepreneurs are working on their ideas for the next high-tech startup, tapping Google Inc.'s new superfast Internet connection that has turned the neighborhood into an unlikely settlement dubbed the "Silicon Prairie." The home on State Line Road is one of several startup-friendly locations that have sprouted up in Kansas City in recent months. The catalyst is Google Fiber, the search-engine giant's fiber-optic network being tested in the Kansas City area that advertises speeds of up …