An Obama-Biden radio ad hammers McCain for being opposed to stem cell research. Not true. Meanwhile two spots from the McCain-Palin campaign, together with the Republican National Committee, describe McCain’s support for the research; they’re largely accurate.
By saying that "John McCain has stood in the way – he’s opposed stem cell research," the Obama ad seriously misstates the view that McCain has held on this issue since 2001, when he began backing embryonic stem cell research,
Obama’s Stem Cell Spinning