Small businesses are essential in providing employment for workers who might otherwise be locked out of the mainstream economy. Small firms also drive large firms to compete for workers, thus driving up wages.
Disagreements between libertarians and realists are a problem. But in the current interventionist-dominated environment, the disagreements don't strike me as an especially big problem — at least for now.
Julian Assange's “crime” was revealing the wrongdoing of the national-security establishment. In the minds of those who blindly support the US state, this is not to be allowed, even if the information is 100% true.