<p>President Obama has enrolled in the federal health-care insurance exchanges, selecting a bronze-tiered insurance plan on the D.C. marketplace, the White House announced Monday.</p>
<p>In advance of Monday’s key enrollment deadline, Obama signed up for coverage over the weekend during the start of his holiday vacation here in Hawaii in what a White House official described as a “symbolic” act to promote the Affordable Care Act, his signature legislative achievement.</p>