On this week's "CBS News Weekend Roundup" with Stacy Lyn, the Biden administration has waived several federal laws in Texas to allow for further border wall construction. CBS's Naomi Ruchim reports. The Pope is meeting with bishops from around the world to discuss the future of the Catholic Church. CBS's Chris Livesay is in Rome. And a new study found students who had classroom libraries of books with diverse characters had significantly higher reading scores. CBS's Stacy Lyn talks with Kyle Zimmer, the president and CEO of First Book on this important study.