US dollars order ghr1000 Senator Jeanne Shaheen, a Democrat from New Hampshire, onTuesday wrote President Barack Obama to urge him to extend theopen enrollment period past March 31, 2014. The 2010 AffordableCare Act, known as "Obamacare," is expected to provide healthcoverage to an estimated 7 million uninsured Americans throughonline marketplaces that opened for enrollment in all 50 stateson Oct. 1.