Reason Morning Links: America's First Pot Tax, Kids Stop Getting Fatter, Obama Breaks Another Campaign Promise on Transparency

- Obama to make prime-time pitch for his health plan.

- Immigration from Mexico took a sharp dive when the economy turned sour.

- Obama refusing to release names of health care executives who attended secret White House meetings to discuss reform. The L.A. Times helpfully points to Obama's campaign promise to "amend executive orders to ensure that communications about regulatory policymaking between persons outside government and all White House staff are disclosed to the public."

- Childhood obesity rates levelling off.

- Oakland voters approve the country's first tax on medical marijuana.