On today’s episode of “Daily Variety” podcast,  Variety ’s Brian Steinberg reports on the triple-header kickoff of Upfronts week after attending Monday’s presentations by NBCUniversal , Fox and Amazon Prime Video. He parses each platform’s pitch to Madison Avenue. And we’ll hear from NBCUniversal Entertainment chief business officer Liz Jenkins on risk-taking in the time of disruption, in remarks delivered this month at SeriesFest in Denver. “We’ve found our cruising altitude again,” Jenkins says. The message on Day 1 of upfronts boiled down to a focus on tech and data tools for reaching distinct slices of audience. Sports, streaming, the importance of driving social media buzz and the rise of more reboots, Steinberg says. (Hello, “Baywatch” and “The Rockford Files” revivals.) Popular on Variety “Everyone’s trying to balance the need to be current on ad technology with trying to show content that everyone likes,” he says. “In years past, these were big presentations on comedies and dramas.…