Bartending Certifications

bartender and licensing in Wisconsin?
I have 19 years, at the University of Wisconsin laws here curious bartender, I have been considering the bar, especially as summer jobs are increasingly scarce and there are bars wide … You can bartend and serve at 18, or so I keep hearing, and I've been looking at schools, apparently there are only 2, one in Madison and one in Milwaukee. I'm all over the state, the Twin Cities, and I was wondering if you can achieve through a license bartending courses online. If someone is licensed in Wisconsin, I'd be very grateful for where he was and such … What is the difference between an operator / server 'S license and a barman? I've been looking for this stuff online for more than an hour and government sites are not clear, and I can not say if any other site are reliable or scam to go to take the online certification is not necessary …
There is such thing as a BAR LICENSE tending some states require a course server that is responsible, in general, that the employer put him through to the 19 that will be very unlikely to be a bar employment trend, as employers are reluctant to hire someone who can not even have a taste what is being mixed. tending bar in schools are generally considered a waist of money.
The Master School of Bartending: Bar Certification in Canada