Well, well, well. Do we detect a hint of sulfur in Barack Obama’s reaction to Hugo Chavez today? President Obama has kicked the Venezuelan ambassador out of the US in retaliation for the rejection of Obama’s choice of ambassador to Venezuela: Washington has revoked the visa of the Venezuelan ambassador to the US, the US state department has said.The move comes amid a diplomatic dispute between the two countries over President Barack Obama’s choice of ambassador to Caracas, Larry Palmer. …The US move in effect expels Venezuelan envoy Bernardo Alvarez Herrera. Alvarez Herrera isn’t in the US at the moment,...