Hi Lisa

Absolutely!!! You can publish, comment, discuss, everything in english. When you have the text ready, figure out in which section of the articles it would fit and submit it from the menu option
Articles > Send us an article. It won´t be published right away... i will check it first and then publish it. If i have any doubt i will contact you first.
You are more than welcome to express yourself in whatever way you choose!!!
Cheers

NiCo