Even though he has not yet officially entered the presidential race, Joe Biden made major headlines this week. CNN Political Director David Chalian and CNN Political Reporter Arlette Saenz review these recent events and discuss what they could mean for Biden's political future.

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Today Congressman Tim Ryan announced that he is entering an already very crowded Democratic presidential race. CNN Political Director David Chalian discusses this move and looks ahead to others who may still be weighing their options.

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Donald Trump welcomes Joe Biden to the fray and may have revealed more clearly than ever that Biden is the Democratic candidate he fears the most. CNN Political Director David Chalian discusses how this moment could shape Biden's potential 2020 campaign.

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