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While the air was distinctly chilly when Pence was in South Korea -- he later said he had intentionally ignored Kim Yo Jong -- he has hinted at possible progress. 162

When someone asked him about how they weed out vigilantes in their patrols, McBride said they run background checks on their members. They also have team leaders that will keep an eye on their team. 199

when Vindman appeared last month, when several lawmakers got into a shouting match. Republican have repeatedly accused Democrats of hiding the whistleblower, urging Schiff to subpoena the person for their testimony."Now that the whistleblower has successfully kick-started impeachment, he has disappeared from the story, as if the Democrats put the whistleblower in their own witness protection program," Nunes said.Democrats have pointed to the President's attacks on the whistleblower as reason that the official should be kept anonymous. The whistleblower's attorney has said they would be willing to answer written questions from Republicans.Vindman and Williams face attacks from TrumpIn his 697

While discussions are ongoing and revisions are being considered, the President is supportive of efforts to improve the federal background check system, Shah said, adding that Trump had met last week with Republican Sen. John Cornyn about a bill the Texan had introduced with Democratic Sen. Chris Murphy of Connecticut that aims to strengthen how state and federal governments report offenses that could prohibit people from buying guns. 448

When the lithosphere is subject to a horizontal extensional force it will stretch, becoming thinner. Eventually, it will rupture, leading to the formation of a rift valley.This process is accompanied by surface manifestations along the rift valley in the form of volcanism and seismic activity. Rifts are the initial stage of a continental break-up and, if successful, can lead to the formation of a new ocean basin.An example of a place on Earth where this has happened is the South Atlantic ocean, which resulted from the break up of South America and Africa around 138m years ago -- ever noticed how their coastlines match like pieces of the same puzzle?Continental rifting requires the existence of extensional forces great enough to break the lithosphere. The East African Rift is described as an active type of rift, in which the source of these stresses lies in the circulation of the underlying mantle. Beneath this rift, the rise of a large mantle plume is doming the lithosphere upwards, causing it to weaken as a result of the increase in temperature, undergo stretching and breaking by faulting.Evidence for the existence of this hotter-than-normal mantle plume has been found in geophysical data and is often referred to as the "African Superswell."This superplume is not only a widely accepted source of the pull-apart forces that are resulting in the formation of the rift valley but has also been used to explain the anomalously high topography of the Southern and Eastern African Plateaus. 1506

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