ana, whether there will be responsible use and sales. authorities watching that very closely. these businesses have been up all night getting ready for the first sales, it's an historic event less than two hours. >> when the doors officially open. casey wian in colorado this morning and tracking the marijuana recreational sales today. a critical ruling on obama care happeneded down by supreme court justice sonia sotomayor, exempting two catholic church groups from the contraception health care debate, giving the obama administration until friday to respond to that order. new coverage plans kick in today for americans who signed up for obama care. 2.1 million people have enrolled, the original target was 3 million. new york city's new mayor sworn in overnight, bill de blasio is now the 109th mayor of the big apple, the first