President Barack Obama will meet executives from leading technology companies like Google and Apple on Tuesday to discuss ways to improve the functioning of the health care website, HealthCare.gov, the White House said. A White House official said the meeting would cover capacity issues with HealthCare.gov, which has not worked well since its since its Oct. 1 rollout. Many people who have had their private insurance plans canceled face a Dec. 23 deadline to get signed up in order to have insurance on Jan. 1.