071619 504 This afternoon, former Vice President and Democratic Presidential candidate Joe Biden was in Le Mars talking about his approach to improving health care and insurance coverage for all Americans. Yesterday, Biden unveiled a plan that would add a "public option" to the 2010 health care overhaul known as "Obamacare," with expanded coverage paid for by raising taxes on the wealthiest Americans. Biden hopes his positioning as Obamacare's chief defender helps him on several fronts. Biden