Good news/bad news: Feds break up Obama assassination plot

From Chris Matthew's Daily Hardball Briefing (which arrived a minute ago):

Breaking News - In the last hour we learned that federal agents have broken up a plot they say to assassinate Barack Obama and then go on a murder spree and kill about 100 African-Americans. We'll talk to NBC News Justice Department correspondent Pete Williams, who is covering that story tonight.

I haven't seen any other articles or posts on this yet, but The Hardball Briefing can be trusted.

Sad news, but good news that the plot is broken...
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