Del Introduces HighWire+, a space beyond 'The HighWire,' which seeks to explore new shows and curated content from the movement, offered as a gift exclusively to monthly donors to ICAN; Jefferey Jaxen Reports on explosive net-zero updates, and CDC leverages a 'COVID surge' to push vaccination; Legendary Actress and Comedian Roseanne Barr lights up The HighWire Studio with Del.