Former President Obama holds first in-person campaign event for Joe Biden

Former President Obama holds first in-person campaign event for Joe Biden

Former President Barack Obama hit the campaign trail Wednesday, holding his first in-person event for Joe Biden in Philadelphia. Biden is hoping to flip Pennsylvania back to blue after President Trump won it in 2016. Ravi Gupta, a former member of the Obama administration and campaign team, joined CBSN's "Red & Blue" to discuss the state of the Biden campaign and Democratic Party.