WASHINGTON (AP) - Grappling with the realities of President Donald Trump's reign, Democrats are trying to offer a counterweight to the president's message.

An annual conference organized by a prominent Democratic think tank is offering an early glimpse at some of the Democrats plotting a challenge to Trump in 2020.

But it's also showing some of the challenges of opposing a president whose presence has been all-consuming and of coming up with an agenda to reach voters who turned to Trump in 2016.

The speaker line-up includes appearances by potential 2020 candidates, including Sens. Amy Klobuchar of Minnesota, Bernie Sanders of Vermont, Cory Booker of New Jersey and Elizabeth Warren of Massachusetts. Also speaking: former Housing Secretary Julian Castro and New York Mayor Bill de Blasio.

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5/15/2018 1:02:24 PM (GMT -5:00)