By Luc Olinga The billionaire is a regular critic of the Democratic president but he just congratulated him on a decision. Elon Musk annoys and irritates Democrats, especially the left wing of the party. The billionaire and his rival Jeff Bezos, the founder of Amazon (AMZN) – Get Amazon.com Inc. Report, symbolize the widening of socio-economic inequalities between the haves and the have-nots, according to progressives. They want to tax the rich more, whom they accuse of not paying enough taxes. Their criticism of Musk increased tenfold after the Tesla (TSLA) – Get Tesla Inc. Report CEO announc…