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The biggest day of the primary season began in the mid-to-late 1980s when Southern Democrats pushed their states to move up to try to stop whom they saw as liberal candidates who couldn't win.
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Idaho is one of four states with presidential primaries or caucuses Tuesday. Turnout could be high in the Republican primary if it’s like the others thi...
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Given his growing lead in delegates, Donald Trump's main obstacle may now be not another candidate but the prospect of an open convention where no one has the votes for a first-ballot nomination.
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Hillary Clinton and Donald Trump won big across the board, but Ted Cruz pulled off a surprise in Oklahoma, and Marco Rubio finally won his first state in Minnesota.
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Scenes from the day, from polling places and campaign events to candidate speeches at some unique venues.
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One thing is clear: Democrats and Republicans had very, very different priorities Tuesday.
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Hillary Clinton and Donald Trump dominated in the South, according to Associated Press results. Bernie Sanders and Ted Cruz won their home states, and Marco Rubio gained his first victory of 2016.
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Donald Trump and Hillary Clinton are expected to roll to victories in the South, leaving their rivals trying to scrape for wins elsewhere on the biggest voting day of the year so far.
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In stump speeches since his loss in South Carolina, Bernie Sanders has taken shots at Hillary Clinton and Donald Trump. He has also seemed to temper his talk of political revolution.
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An NPR analysis finds one very rosy scenario for Sanders in which he comes out with the majority of pledged delegates. But the possible results range from Sanders plus-1 to Clinton plus-151.