Discontent over immigration and the economy fuel Trump's Super Tuesday romp

Donald Trump is sailing into battle against President Joe Biden powered by anger over the two policy issues that have driven his comeback campaign so far: immigration and the economy.

Trump came close to sweeping the board in the 16 "Super Tuesday" Republican primary races, putting him on the verge of clinching the party's nomination and allowing him to train his full fire on Biden ahead of the November election.

Trump has tapped into a current of dissatisfaction about the state of the country that he has amplified at every...