In the Close Up:  A tropical system that's expected to make landfall as a hurricane is prompting officials along parts of the Gulf Coast to prepare for flooding.  Congress hears the emotional testimony from a migrant who was held in a detention center along the southern border.  Kevin Carr tells us about the stir the casting of the newly announced live action remake of Little Mermaid has caused.  And Michael asks listeners what they think about the viability of third parties in American politics.