is saying is coming from the white house and the plans, what s the biggest challenge lo gist particularly when it comes to building a national high-speed rail system because it sounds good. i think one of the problems is the period of time in order to prepare for the system has not been that long, and as a result, as richard said, with all the institutional issues is we have to address the issue in order to implement the program which in most cases is going to tan 10, 15 years to get built. the president pointed out that it s something both the chamber and the afl-cio agree on. take a listen. we ll talk on the other side. they agree. on the need to build a 21st century infrastructure, and i want to thank them to push for it. and to do so in the most