Tom Steyer

As Donald Trump and family revel in the pomp and circumstance of a state visit to London, his staunchest political opponents continue to plot a pathway to impeachment. Tom Steyer is a Californian hedge fund billionaire turned deep-pocketed backer of liberal causes, and he is funding much of that effort. His focus was climate change, now it's impeachment. He's a powerful force in the Democratic Party - but is he in danger of pushing the party in the wrong direction?