No?  Then you must be an English teacher. So it seems these are the careers du jour of the extranejeros (foreigners) I’ve met so far in Medellin. In my clase de Espanol, amongst our small group of 5, there are three English teachers.  B & J are an English couple, teaching English to Chinese kids, via the web.  They have classes usually from 5am – 8am, to coincide with timezones in China.  Then, there is B, an older senora from North Carolina, who’s also teaching English online, but to adults all over the world. English teaching via the web is a phenomenon that’s exploded.  I first heard about it in…