Invincible Frontrunner News Today

>> reporter: well, joe biden arguably more than any of these other candidates has predicated his entire candidacy on being uniquely qualified to take on donald trump and remove a president who he has called and will call again today an existential threat to the united states. me pla he plans to take on the president on the issues of trade and tariffs and climate change. biden has been trying to elevate himself to look like hes the guy taking on the president. in this way, president trump did him...