Opinion polls indicate Tuesday’s slate of Democratic and Republican primaries are likely to reaffirm the leads of the two front-runners, Hillary Clinton and Donald Trump. But the results Tuesday night will be about more than simple momentum; they will tell us a lot about the state of races that have been in flux for months.
Some of the big questions that will become more clear after Tuesday: What is the state of the Republican establishment vote? Can Vermont Sen. Bernie Sanders make any inroads into the big dense suburban clusters on the East Coast?
Here’s a look at what to watch for as the maps begin filling in Tuesday night. CONT.
Dante Chinni, Wall Street Journal