Sources told CBS News that Cole Allen, 31, had written a "manifesto" and said he planned to target administration officials.
President Trump details his experience at the White House Correspondents' Dinner, where a gunman charged toward the ballroom.
We look at what Congress might do as the 60-day window to vote on the war per the War Powers Act draws near, as well as what the latest polls say about President Trump's approval ratings.
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