Selected links to health policy, economics and other news articles, 2/21/13:

In Reversal, Florida to Take Health Law’s Medicaid Expansion

Rick Scott's Big Reversal

ObamaCare's 'Baby Elephant'

HHS releases rule on insurers' essential health benefits

Health-Plan Details Unveiled

Most plans charge higher-than-quoted premiums

Health care law allows consumers to easily find and compare options starting in 2014

Kids' calorie counts are down from a decade ago

First lady to help state celebrate anti-obesity campaign

More low-cal offerings drive up restaurant business, new study shows

Under Obamacare, who even counts as a tobacco user?

Nurse Practitioners Push To Help Care For Health Law's Newly Insured

Web ratings aren't key in choosing doc: study

Nixon optimistic that Missouri Republicans may come around on Medicaid expansion

Health disparities still divide St. Louis, despite progress on lead poisoning