Obama to Join Biden on br Last Weekend of Campaign Trail.br According to CNN, Former President Barack Obama will join Biden in a key battleground state.br Two sources privy to the plans told CNN the location will be finalized within days. .br Obama has made three solo appearances campaigning for Biden this past week in Pennsylvania, Miami and Orlando.br Democrats hope Obama can rally the support of Black men, younger voters and Latinos. .br His speeches have increasingly criticized Trump's response to COVID-19, his jobs record, overall behavior in office and his slew of angry tweets. .br Trump took to Twitter on Tuesday to br respond to Obama's speech in Orlando.