FROM THE BLOGS:
Republican congressman condemns GOP effort to use Boston bombing against immigration reform
Zack Beauchamp and Scott Keyes of Think Progress weigh in on the condemnation of Sen. Chuck Grassley's (R-Iowa) comments on immigration reform by prominent Republicans like Sen. Marco Rubio (R-Fla.) and Rep. Mario Diaz-Balart (R-Fla.).
Obama's budget plan: Modest cuts for seniors, big cuts on everything else
Policy Shop's David Callahan writes about the large cuts made to non-defense domestic spending in President Obama's budget.
Sean Collier: MIT police officer killed in shootout
Washington Free Beacon staff highlight the MIT report of Sean Collier, an MIT police officer killed Thursday night in a shootout between police and the suspects of the Boston Marathon bombing.
The most dangerous substance in America may be fertilizer
The Daily Beast's Megan McArdle points out that the recent West Texas fertilizer plant explosion was not the first of its kind.
OTHER NEWS SOURCES:
Administration presses ahead on background checks after Senate defeat
The Hill's Ben Goad and Julian Hattem report on steps the Obama administration is taking to curb gun violence after the Manchin-Toomey bill was defeated in the Senate.
Gillibrand rebuts Grassley, says Boston bombings have nothing to do with immigration reform
Sen. Kirsten Gillibrand (D-N.Y.) criticized a claim by Sen. Chuck Grassley (R-Iowa) connecting the bombing to immigration reform, according to Capital New York's Dana Rubenstein.