Several democratic presidential candidates have pledged to rejected Super PAC or corporate PAC money in their 2020 fundraising - including leaders like Sens. Elizabeth Warren and Bernie Sanders. The contention around campaign financing sparked after a 2010 decision by the Supreme Court in 'Citizens United v. FEC'. Hans von Spakovsky, former member of the Federal Election Commission and senior legal fellow of the Heritage Foundation, joins Cheddar to discuss how the 2010 decision impacts a major presidential election a decade later.