First on CNN: Hillary Clinton takes road trip to Iowa  —  (CNN)Iowa or bust.  —  Hillary Clinton is kicking off her second bid for the White House with a road trip, riding from New York to her first campaign stop on Tuesday in Iowa.  She was spotted on Sunday evening chatting with people at a gas station in Pennsylvania.

Marco Rubio Is the Most Disingenuous Republican Running for President  —  He's not a reformer.  He's a fraud.  —  Most of the Republican Party's primary candidates have internalized something that was blindingly obvious to everyone who watched the 2012 elections unfold.

Walter Scott shooting: officer describes adrenaline rush in recording  —  Michael Slager appears to laugh nervously in audio recording as he discusses what will happen next with a senior officer  —  The police officer who killed Walter Scott in South Carolina said afterwards that he was experiencing …

In U.S., Uninsured Rate Dips to 11.9% in First Quarter  —  Story Highlights  —  WASHINGTON, D.C. — The uninsured rate among U.S. adults declined to 11.9% for the first quarter of 2015 — down one percentage point from the previous quarter and 5.2 points since the end of 2013, just before the Affordable Care Act went into effect.

Driver, teen shot to death after van hits and kills toddler  —  The van that struck and killed a toddler in the 4600 block of N. 48th St. and the area surrounding it are cordoned off by police tape.  The driver, who stayed at the scene, was fatally shot.  And a 15-year-old at the scene also was fatally shot.

It Takes a Party  —  So Hillary Clinton is officially running, to nobody's surprise.  And you know what's coming: endless attempts to psychoanalyze the candidate, endless attempts to read significance into what she says or doesn't say about President Obama, endless thumb-sucking about her “positioning” on this or that issue.

Wealthy donors on left launch new plan to wrest back control in the states  —  SAN FRANCISCO — A cadre of wealthy liberal donors aims to pour tens of millions of dollars into rebuilding the left's political might in the states, racing to catch up with a decades-old conservative effort that has reshaped statehouses across the country.