The IRS says it will not accept electronic tax returns that do not disclose whether the filer had health insurance coverage during the year. It also says it will suspend paper returns that do not have the disclosure. The IRS' move, which will bolster compliance with Affordable Care Act rules, comes as the Trump administration takes other steps to undercut the law. The IRS is warning tax professionals that it will block or suspend processing of 2017 income tax returns that do not comply with Obamacare rules requiring filers to disclose their health insurance status. The new move to tighten...