We already do.
L
"If this stands I wonder if this will be reciprocal - will we accept that other countries have the right to hold Americans who violate their visas (or don't have a visa) indefinitely without explanation?"
That was a rhetorical question, right?
Who would have thought it could happen in Brooklyn?
don't many do that anyway already? oh...sorry its beheading isn't it.../sarcasm
It levels the field. Of the 27 nations that share a visa waiver program with the USA, virtually all of them retain the ability to detain US citizens/nationals for any reason. These are Andorra, Austria, Australia, Belgium, Brunei, Denmark, Finland, France, Germany, Iceland, Ireland, Italy, Japan, Liechtenstein, Luxembourg, Monaco, the Netherlands, New Zealand, Norway, Portugal, San Marino, Singapore, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom*. http://www.cbp.gov/xp/cgov/travel/id_visa/vwp/vwp.xml