The White House is turning to the network of public libraries to deliver Obamacare information and advice to the nation. As it begins promoting the program that will require all Americans to have health insurance or pay a fine starting next year, the administration is dealing with the biggest hurdle in its effort: Where Americans go to get information on the new program. Enter public libraries, already the go-to site for many Americans looking for tax forms every April. The Centers for Medicare & Medicaid Services, which is in charge of Obamacare, has teamed with the Institute of Museum and...