CQPolitics: Faced with a GOP assault on proposed climate change legislation and restiveness within her own ranks, Speaker Nancy Pelosi pledged Thursday that any measure the House passes this year won’t overly burden utility ratepayers or businesses. “I will work to see that whatever we do does not increase the burden on our rate payers and also has mitigation for business so we can be competitive,” the Speaker said at her weekly news conference. She also made clear that she will not push …