 McCain's second quarter 2007 fundraising results and campaign financials were poor.Both McCain supporters and political observers pointed to McCain's support for the Comprehensive Immigration Reform Act of 2007, very unpopular among the Republican base electorate, as a primary cause of his fundraising problems.Large-scale campaign staff downsizing took place in early July, with 50 to 100 staffers let go and others taking pay cuts or switching to no pay.