"n a column posted on the Kaiser Family Foundation Web site today, Altman explained that ObamaCare was responsible for a "modest" increase in insurance premiums.He wrote: "Critics of the national health reform law passed in 2010 like to blame everything but the weather on 'Obamacare,' but regardless of how you feel about the Affordable Care Act, its effect on premiums this year is modest. Most of the law’s provisions don’t go into effect until 2014. "