A man with a shotgun is arrested as he runs towards the U.S. Capitol Building in Washington, DC; Tributes to the late Rev. Jesse Jackson, Jr., civil rights movement pioneer and presidential candidate, who has died at the age of 84. We will hear from his son, Jesse Jackson, Jr. and a protégé, Rev. Al Sharpton, and talk with Washington Post Chief Political Correspondent Karen Tumulty, who reported on Jesse Jackson's 1988 presidential run (13); Homeland Security Department shutdown is on Day Four, and no signs it will come to an end soon, with the White House and Congressional Democrats trading offers on immigration enforcement reforms, but not reaching an agreement; latest round of U.S.-Iran talks over Iran's nuclear program conclude in Geneva. Both sides speak of progress and agree to "guiding principles" for an eventual deal; Commodities Futures Trading Commission says the agency will fight state regulation of prediction markets. We will hear from the CFTC Chair and talk about the stakes with Axios Business Reporter Nathan Bomey (41); former Sec of State Hillary Clinton accuses the Trump Administration of a cover-up when it comes the files of the late sex offender Jeffrey Epstein; politicians celebrate Mardi Gras & Lunar New Year.

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