Today’s edition of quick hits:
* President Obama, in Seoul for a summit on nuclear security, is warning North Korea not to follow through on a planned long-range missile test next month, while urging China to help ratchet up international pressure on North Korea.
* Over the weekend, Obama also made his first visit to the peninsula’s demilitarized zone, looking into North Korea through binoculars.
* Trayvon Martin’s mother believes local officials are trying to demonize her deceased son by leaking embarrassing information about his past.
* Sen. Chuck Schumer (D-N.Y.) wants the Justice Department to examine controversial “stand your ground” laws in Florida and other states.
* Senate Democrats also intend to push for a vote on the “Buffett Rule,” requiring tax fairness for millionaires and billionaires who pay a much lower rate than most of the middle class, on April 15.








