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What will the first Democratic presidential debates look like at the end of this month?

We got our first glimpse Saturday in San Francisco.

First, we saw the visual of candidate after candidate — 11 in all, with 3 more to come Sunday — parading across the stage at the California Democratic Party's annual convention.

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This weekend, 14 presidential candidates will converge on San Francisco for the California Democratic Party's annual convention.

It will be the largest gathering of presidential contenders so far, and the latest sign that California's days of bringing up the rear of the presidential primary calendar are long gone.

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The past few presidential campaigns, environmental activists have "been left begging for there to be a single question at a campaign debate about climate change," longtime climate change activist and author Bill McKibben recently told NPR.

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Former Vice President Joe Biden is running for president. He has been deliberating this choice for months. But as of this morning, it is official. Biden posted this video on Twitter this morning.

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Earlier this month, after delivering a speech to a construction union, Joe Biden was asked - what's the holdup? - by a pool of reporters.

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