Madison - Gov. Scott Walker believes a new law that gives gay couples hospital visitation rights violates the state constitution and has asked a judge to allow the state to stop defending it. Democrats who controlled the Legislature in 2009 changed the law so that same-sex couples could sign up for domestic partnership registries with county clerks to secure some - but not all - of the rights afforded married couples. Wisconsin Family Action sued last year in Dane County circuit court, arguing that the registries violated a 2006 amendment to the state constitution that bans gay marriage and any...