After a shooter opened fire at a Nashville elementary school on Monday, authorities are still searching for a motive. The attack took place at the Covenant School and left three adults, three children and the shooter dead. Alexis Marshall of WPLN joins us. And, a fire broke out in an immigration center in Ciudad Juárez killing 39 migrants and injuring 29 others. Angela Kocherga, KTEP's news director, joins us to give more information. Then, to close out Women's History Month, we're rounding up some anthems of women empowerment through the years. There are the obvious ones like Gloria Gaynor's "I Will Survive" and Aretha Franklin's "Respect," but we look at where inspiration for those came from and the songs that have come out since. NPR music critic Ann Powers joins us.