Dr. Deborah Ann Mulligan, Professor at Nova Southeastern University's College of Osteopathic Medicine. She is Board certified in Pediatrics and Emergency Medicine

WIOD National Correspondent Rory O'Neill *Follow him on Twitter: @RadioRory. It seems like there are shortages everywhere that are tied to Covid.

ABC News Correspondent Katherine Faulders in for Karen Travers in Washington *Follow her on Twitter: @KFaulders

WIOD Legal Analyst & SoFla Trial Attorney, Mark Eiglarsh. His book, is titled; “Be Happy By Choice: Happiness Guaranteed or Your Misery Back,” go to BeHappyByChoice.com – his website is SpeakToMark.Com

Former U-S George LeMieux *Follow him on Twitter: @George_LeMieux

Dr. Cheryl Holder is Associate Dean and Associate Professor at FIU and a Miami member of the National Medical Association, on concerns from patients about vaccine.

WIOD National Correspondent Rory O'Neill *Follow him on Twitter: @RadioRory. NASA now taking applications for people who will live FOR A YEAR in a Mars simulator in Texas as they prep for future missions.

Our Daily Olympics Update, live from Tokyo with ABC News Correspondent, Jim Ryan *Follow him on Twitter: @jimryantx

Carla Bailo is a leading expert on the automotive industry, President and CEO of the Center for Automotive Research *Follow her on Twitter: @CarlaMobility, on President Biden's Executive Order with a goal of 50% of vehicles in the US be "zero emission" by 2030.

ABC News Correspondent Elizabeth Schulze at the White House *Follow her on Twitter: @eschulze