National News

1:10 p.m. (EST): A third letter, this one sent to Senator Joe Manchin (D.-W.V.), has been found to contain ricin.

12:45 p.m. (EST): FBI spokesman Paul Bresson has confirmed that the substance found in the letter to the president was ricin.

The Secret Service says that a letter containing a suspicious substance and addressed to President Obama was received on Tuesday at a White House mail facility. This comes just after a letter sent to Senator Roger Wicker (R.-Miss.) was found to contain the poison ricin.

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A heart-wrenching photo of 8-year-old Martin Richard, who was killed in the Boston Marathon bombing on Monday, shows the boy holding a hand-drawn sign that says, "No more hurting people. Peace."

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Yesterday's twin bombings at the Boston Marathon dominated the front pages of newspapers everywhere. We gathered a few from the Newseum for you to take a look at how various publications across the country shared the story.

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Robert Watling and Kelli Johnston are a speedy pair. In fact, Watling proposed to Johnston last October after they completed the Chicago Marathon, which was one of the many 26.2 mile races the couple had completed together.

Given their shared history of racing together -- their first date was a 5K race -- getting married after the Boston Marathon seemed like the natural thing to do.

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Three people were killed and more than 100 injured on Monday afternoon when two explosions went off near the finish line of the Boston Marathon. Rescue organizations have gathered to help and at the the tragic scene, but how can you help?

The Huffington Post has put together a helpful list of ways:

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9 p.m. (EST): The final press conference of the day with Massachusetts Governor Deval Patrick, Boston Police Commissioner Ed Davis and various other officials just concluded. The FBI is now leading investigations of the events. Davis confirmed that three people were killed in today's blasts.

CNN is reporting that one of the victims killed was an 8-year-old boy. The Wall Street Journal had reported that as many as five other unexploded devices were found around Boston, but investigators now doubt that they were actually bombs.

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An abortion doctor faces multiple murder charges and could get the death penalty and until last week, the media couldn't have given a damn less.

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In a story that seems copied directly from the pages of a comic book, a French super criminal escaped from jail on Saturday by using arms and explosives to blast his way out of incarceration. Infamous criminal Redoine Faid escaped from Lille-Sequedin penitentiary northern France by holding four

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