Weekend Roundup

On the CBS News Weekend Roundup with host Allison Keyes; the CDC backed Pfizer's Covid19 booster shots for some Americans, including people 65 and older with underlying medical conditions -- but MedStar Health's infectious disease specialist Dr. Ruth Kanthula has some concerns. The CDC has also recommended that pregnant women get vaccinated amid a surge of coronavirus cases among them. CBS's Mireya Villarreal has one family's tragic story. President Biden gave his first address to the United Nations General Assembly this week, in hopes of convincing world leaders to join the U-S in fighting Covid19, climate change, and more. This was the first gathering in the U-N since the pandemic. CBS News Foreign Affairs Analyst Pamela Falk was there. There's controversy over the Biden administration's handling of the humanitarian crisis of the Southern border, where thousands of mostly Haitian migrants gathered in a tent city under a bridge in Del Rio. The president took responsibility Friday after scathin