75 11 2009-06-16T11:01:12-07:00 Reporting from Washington and Chicago -- President Obama on Monday made his most detailed pitch yet for a $1-trillion overhaul of the nation's burdened healthcare system, calling it a "ticking time bomb" that threatens the nation's prosperity. false 3288 Obama calls cost of healthcare a threat to economy http://www.latimes.com/features/health/la-na-obama-ama16-2009jun16,0,611759.story obama-calls-cost-of-healthcare-a-threat-to-economy 2009-06-16T11:01:12-07:00