What has the US done at this point to get a rail system like the system in Europe? Do you think that this will happen? If so, when?

What has the US done at this point to get a rail system like the system in Europe?  Do you think that this will happen? If so, when?

What are the problems that will be faced when building this type of system? How long do you think before it will be something that we want in the US - or until it is cost-effective?