We've worked hard in Colorado to expand health care access and affordability. As someone with lifelong asthma, I'm especially thankful that the Affordable Care Act ended denials of coverage for those of us with preexisting conditions. That doesn't mean the system works perfectly and that there aren't improvements we can make. For example, one of the women I met while knocking on doors told me about a clerical error she fought for almost a year to finally get affordable health insurance. We can and we must do better.