Is there cause for concern? Ehh, to some extent yes, but note the impact of right-wingers yelling and screaming at town halls all summer.
"Nationally," the memo reads, "voters oppose a mandate to purchase private insurance by 64% to 34% but support a mandate with a choice of private or public insurance by 60% to 37%." (Emphasis added)
also,
"Most Americans trust Mr. Obama more than Republicans to make the right decisions on the issue; 76 percent said Republicans had not even laid out a clear health care plan."
As, of course, Republicans have not "laid out [any sort of a] clear health care plan," it does make one wonder about the people who say Republicans have done so. But anyway, Republicans not only failed to move the needle their way, it went the other way! It went towards the Democrats.