By Luc Olinga Dorsey, who is CEO of payment services Block, formerly Square, is the second big name from Silicon Valley to choose a side in the Russian war. The Russian invasion of Ukraine seems to herald a new era among Silicon Valley companies and bosses. In the past, tech tycoons often chose to follow the traditional line observed by the bosses of companies in other sectors on geopolitical or political issues: remain neutral to avoid alienating a potential reservoir of customers or to avoid having the doors of a market closed. This rule was particularly observed in tech because tech compani…