May 23, 2013 3:56 PM EDT

• FBI arrest 37-year-old man in Washington state ricin letter investigation
• Hand of Lincoln: Abe's note saving teen soldier up for sale
• New federal prosecutor nominated for Chicago
• Prosecutor: iPad theft defendants ambushed victim
• Milestones for Guantanamo Bay detention center
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• Life with famous moms
• Crowds cheer arrest of Boston Marathon bombing suspect
• Boston suburbs on lockdown amid search for Boston Marathon bombing suspect
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• Prosecutor: iPad theft defendants ambushed victim
• Woman accused of contaminating infant daughter's IV tubes
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• Fed considered slowing pace of bond purchases
• Stocks rise after Federal Reserve Chairman's stimulus comments
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• Indian guest workers sue company in Miss., Texas
• Cartel towns pose challenge for immigration reform bill in Congress
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• Latest deadly tornado tests Oklahoma town's mettle
• Body of child found in deadly Minn. landslide
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• Illinois Wesleyan fraternity suspended after student's death
• 600-Pound man rescued at Pennsylvania home
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• FBI arrest 37-year-old man in Washington state ricin letter investigation
• New federal prosecutor nominated for Chicago
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• Birth control coverage up for federal appeal
• Arizona House non-prayer sparks Christian re-do
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• California professor considering mayoral runs asks students to create political campaign
• Nixon library hosts 40th reunion for Vietnam POWs
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