 Biden campaign chair Jen O'Malley Dillon says in a statement that Donald Trump picked Vance because he will, quote, bend over backwards to enable Trump and what she calls his extreme MAGA agenda. O'Malley Dillon says the Biden campaign will spend the next three and a half months making the case between what she says are two starkly contrasting visions. Protests outside the Republican National Convention. The current immigration system is very.