Head over to Ronald McDonald House Charities of South Louisiana’s (RMHC-SLA) house for their Summer Snoball Smash, a free tasty family-friendly event from 2 - 4 p.m. Snoball Smash will feature complimentary Hansen's Sno-Bliz snoballs, entertainment, interactive games, a friendly “snowball fight,” icy songs from the snow queen herself, giveaways and prizes. The New Orleans …