PRAGUE (Reuters) - Czech billionaire Andrej Babis won a thumping victory in Saturday’s parliamentary election, giving the anti-establishment businessman facing fraud charges a strong mandate to cut taxes, lift public investment and fight immigration. Babis's ANO movement held an unbeatable 30.04 percent of the vote with 94.4 percent of voting stations having reported -- almost three times any other party and giving it a chance to rule with just one partner in a coalition. (Graphic tmsnrt.rs/2vO4hPW) ANO is the first party to break a quarter century of dominance by two mainstream center-right and center-left parties, highlighting a shifting political landscape...