The Hill projects that Democrats will net somewhere between 10 and 15 seats, assuming the presidential election remains a close contest.

House Minority Leader Nancy Pelosi (D-Calif.) has given her party a better than 50-50 chance of wresting control of the lower chamber — but missed opportunities in specific races and increasing economic worries have put that prediction in doubt.

“The environment certainly isn’t as good as it was six months ago for Democrats,” a senior Democratic strategist who works on House races told The Hill, speaking on the condition of anonymity in order to comment candidly…

“House races are always going to be tied to the top of the ticket,” the Democratic strategist said. “The better Obama’s doing, the redder the districts Democrats can be playing in, and the economy is very important to the president’s success.”