January 10, 2013 6:30 am A Very Tough Flu Season The CDC is expected to release numbers tomorrow showing that this year’s flu season could be the worst in many years. NBC’s Tracie Potts reports. US & World Videos 0:26 Kaiser Permanente data breach may have affected millions 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 2:12 Pro-Palestinian protests continue to grow at Bay Area universities 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie