Citations for tonight's show are listed after the jump.
Maryland House passes gun-control bill
Colorado gun bills: Marathon session stirs strong emotions
Exxon's oil spill in Arkansas leaves neighborhood like a scene from 'The Walking Dead': official
Exxon Mobil hit with $1.7M pipeline safety fine days before Arkansas oil spill
Pipeline and Hazardous Materials Safety Administration Warning Letter (pdf)
Exxon fined $1.7 million over Yellowstone River oil spill
McDaniel: There is oil in Lake Conway
Dustin McDaniel Sets Deadline for Exxon Documents on Mayflower Oil Spill
Lawsuit filed over Exxon Mobil pipeline spill damage
Cancer clinics are turning away thousands of Medicare patients. Blame the sequester.
Strapped by sequester, Head Starts drop kids
Job totals stumble to 10-month low
Boehner rejects Obama cuts-revenue proposal
Obama Budget Is Dismissed by G.O.P. and Attacked by Left
Left Furious With Obama For Backing Social Security Cuts
White House Receives IAVA Petition to End the VA Backlog
NC senator pushes tougher divorce law
N.C. Lawmakers Propose Two-Year Waiting Period Before Divorce
New Women's Health and Safety Act will 'probably close' North Alabama's only abortion clinic
Rivals prepare for legal battles over abortion bans in Arkansas, North Dakota
Agenda Texas: Abortion Regulations Could Close Clinics
Ark. Senate panel rejects Equal Rights Amendment
Sex Education Programs For Teens Targeted By GOP Lawmakers
Sex-ed amendment struck from North Dakota abortion bill
Supreme Court Strikes Down Texas Law Banning Sodomy
Steve Shannon for attorney general
Cuccinelli Campaign Won't Say If He's Committed Any Crimes Against Nature
RNC Chairman Reince Priebus to GOP: Don't go 'Old Testament' on gays
Media Covers up Democrat-Backed Planned Parenthood's Support for Infanticide