News roundup: LSU student opens muffuletta shop with father … Ruffino’s chef to spice up Mardi Gras ball in D.C. … Jindal meets Romney for first time since election

Piling it up: In an effort to bring a traditional New Orleans-style muffuletta shop to Baton Rouge, The Daily Reveille reports, an LSU undergraduate and her father have opened 926-Muff on Congress Bou…