Timeline: U.S. healthcare law’s technology breakdown

(Reuters) – U.S. Health and Human Services Secretary Kathleen Sebelius, President Barack Obama’s top healthcare adviser, apologized on Wednesday over the technology failures that have plagued the rollout of Obama’s healthcare law. * March 23, 2010 – President Barack Obama signs the Patient Protection and Affordable Care Act into law, with the aim of providing health coverage to millions of uninsured Americans beginning in 2014. But the court rules that states can choose whether to expand the Medicaid health insurance program for the poor. * November 6, 2012 – Obama is elected to a second term as president, defeating Republican challenger Mitt Romney, who had vowed to throw out the healthcare law.