U.S. District Judge Virginia M. Kendall doesn’t care for cheap pajamas.She used to get e-mails from Old Navy around Christmas advertising pajama pants for $3. And she would celebrate and purchase a pair every year.Then she found out about the factories in Bangladesh that supplied Old Navy and other companies. In 2013, a factory building there collapsed, killing mostly women and children.“I can never enjoy the $3 pajama pants again,” Kendall said.It’s an example Kendall said she uses often when asked …