Flag Supporters React With a Mix of Compromise, Caution and Outright Defiance  —  COLUMBIA, S.C. — It has been quite a few years since the lost cause has appeared quite as lost as it did Tuesday.  As the afternoon drew on and their retreat turned into a rout, the lingering upholders …

Bobby Jindal Poised to Join Republican Presidential Race  —  The Louisiana governor is polling near the back of the pack.  —  Louisiana Governor Bobby Jindal is poised to join the crowded race for the Republican presidential nomination with an announcement at a rally outside New Orleans on Wednesday.

Autopsy of Freddie Gray shows ‘high-energy’ impact  —  Freddie Gray suffered a single “high-energy injury” to his neck and spine — most likely caused when the police van in which he was riding suddenly decelerated, according to a copy of the autopsy report obtained by The Baltimore Sun.

US Navy paid millions to stay on Windows XP  —  The U.S. Navy is paying Microsoft millions of dollars to keep up to 100,000 computers afloat because it has yet to transition away from Windows XP.  —  The Space and Naval Warfare Systems Command, which runs the Navy's communications and information networks …

Fox dumps Sarah Palin  —  Fox News will not renew its contract with Sarah Palin, whose bombastic appearances have been a cable staple since the former Alaska governor's failed run on John McCain's ticket in the 2008 presidential election cycle.  When asked for comment, a Fox News spokesperson confirmed …

Dash Cams Show Cops Celebrating After Dylann Roof's Arrest … Newly released dash cam footage shows the moment that officers arrested accused Charleston mass murderer Dylann Roof — high-fiving and fist-bumping each other after placing the suspect in a police car.

Reid seeks expanded gun background checks  —  Senate Minority Leader Harry Reid (D-Nev.) called Tuesday for Congress to expand background checks for gun purchases in the wake of a shooting in Charleston, S.C., last week that left nine dead.  —  “The United States is the only advanced country …

Scott Walker, Set for a Bigger Stage, Faces G.O.P. Revolt in Wisconsin  —  MADISON, Wis. — As Gov. Scott Walker prepares to announce his campaign for president next month, promising to bring what he calls “big bold leadership” to Washington, as he did in Wisconsin, he faces a cloud over that story line …

First Read: The Most Important Number in NBC/WSJ Poll  —  First Read is a morning briefing from Meet the Press and the NBC Political Unit on the day's most important political stories and why they matter.  —  The most important number in the new NBC/WSJ poll

Mass Shootings Are Preventable  —  A firearm is surrendered during a gun buyback event after the 2014 mass shooting at UC-Santa Barbara.  (Kevork Djansezian / Reuters )  —  Mass shooters, although almost always male, in many other ways grimly echo the diversity of American life.

Apple's Lisa Jackson to lead all of Apple's social policy initiatives  —  Lisa Jackson, former head of the Environmental Protection Agency and Apple's top executive on environmental issues, will become the company's lead on all policy initiatives, including the environment, education and accessibility.

Fast-Track Trade Bill Clears Key Hurdle in Senate  —  Vote is pivotal step toward passage of measure; ‘a long and rather twisted path’  —  WASHINGTON—The Senate on Tuesday gave President Barack Obama's trade agenda a big push forward, in a pivotal vote that clears the highest remaining procedural hurdle …

New details emerge in D.C mansion murder case  —  Watch “CNN Special Report: The DC Mansion Murders” at 9:30 p.m. EDT.  —  Washington (CNN)The man allegedly responsible for the quadruple homicide at a Washington mansion last month has a cousin who was fired from American Iron Works …