First time hearing those words? The little bumps under your feet are picking the city's pocket. Truncated domes - also known as "tactile warning strips" - are those bumps the size of elevator call buttons that blister the surface of recently installed ramps at street corners, by order of the feds. The cost to the city - meaning you, the taxpayer - is astronomical. The outlay is required by changing federal regulations, according to Terry Gillen, director of federal affairs for the city of Philadelphia. She is, in effect, the liaison to President Obama from Mayor Nutter, who has been...