Yes, but only as regards enumerated powers, see the 9th and 10 amendment limitations on that.
So far you've cited no enumerated powers to force employers to offer insurance with a contraception co-pay. Remember, while your mind may be a-wandering, that was the question posed you.
Uhoh, here comes another straw man.
Has the Consitution you earlier appealed to turned hostile witness:
AMENDMENT X The powers not delegated to the United States by the Constitution, nor prohibited by it to the states, are reserved to the states respectively, or to the people.
...the new highest law of the land:
http://www.urbandictionary.com/define.php?term=gaystapo
Kabuki Joe (11-15-2012)