A majority of independent voters are unhappy with the Obama administration and just over half intend to use their vote in November to put a check on the president and the Democratic Congress, according to a Fox News poll.

The poll, released Wednesday, found that if the congressional election were held today Republicans would have a slim 2 percentage-point edge over the Democrats: 42-40 percent. Earlier this month Democrats held a 3-point advantage (41-38 percent). In both cases the advantage is too small to be statistically significant.

Most Democratic voters would vote for their party’s candidate (87 percent) and almost all Republican voters for theirs (90 percent), so the group to watch is independents...