Trump deems places of worship 'essential'

Ongoing stay-at-home orders prompted President Donald Trump on Friday to deem houses of worship essential. He threatened to override governors who have ordered churches, synagogues and mosques not to reopen in the coming days.

With the coronavirus threat looming, the long Memorial Day weekend won't look anything like years past.

Meanwhile, the nation's most populous county is getting ready to reopen by the next big summer holiday - July 4.

Here's what to know about the coronavirus, plus a timeline of the most critical moments:

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