Donald Trump, Hillary Clinton aim for sweeps of northeastern primaries

Donald Trump is aiming for a sweep of all five Northeastern states holding primaries Tuesday, including Pennsylvania, with his rivals pinning their hopes of stopping the Republican front-runner on a fragile coordination strategy in the next rounds of voting. For Democratic leader Hillary Clinton, wins in most of Tuesday’s contests would leave little doubt that she’ll be her party’s nominee. Rival Bernie Sanders‘ team has sent mixed signals about his standing in the race, with one top adviser suggesting a…