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On Tuesday\'s show: An oil spill off the Louisiana coast could be the worst in the nation since Deepwater Horizon in 2010. We learn about the size of the spill, which stems from a pipeline operated by a Houston company, and how it might affect the Texas coast.

Also this hour: We discuss why HISD is losing teachers and why there are teacher shortages across the country.

Then, we talk with improver extraordinaire Ben Schwartz, who\\u2019s also known for being the movie voice of Sonic the Hedgehog and for roles in Parks and Rec and other shows. He\'s performing a live improv show tonight in Houston.

And the famed British acapella group The King\'s Singers return to Houston for a Dec. 12 concert.