here, the sweet, spicy, crispy possibilities are as endless as the shrimp. and yeah, they're endless, but they won't last forever. welcome back to special continuing coverage of this pope's historic visit to the united states i'm poppy harlow with chris cuomo. catholic comedian jim gaffigan is working the crowds. >> he's a comedian and he's catholic but i don't think he's billed it that. only tonight he'll play up the first descriptor. he's been pretty funny. it's not easy for him. people are so amped to see francis, it's already a light mood but you know what? the crowd's warming up to him and it's going well. here on the ben franklin parkway in philadelphia. the city's been contorted to accommodate what's happening here. a worry that people wouldn't