States of the Union: Maryland

Find out about Tuesday's special election in Maryland's 4th District, why Maryland attracts so many biotech firms, and how the state became one of the most reliable for Democrats in presidential elections. Lisa Rein covers Maryland politics for the Washington Post and the paper's Maryland Moments blog, joins us to discuss what matters to voters in the Free State.

States of the Union fact of the week: Maryland has the highest median household income in the United States.