New warning signs for the White House

First: New CNN polls out today show President Biden trailing Donald Trump in critical battleground states, places that Biden won in the last election and needs to win again. 

Plus: With just five weeks until the first votes are cast, Republican presidential hopefuls are stepping up their attacks as a new poll in Iowa shows Donald Trump's lead is only getting bigger. 

And: Following the resignation of the president of the University of Pennsylvania, calls are increasing for Harvard's president to resign as well. 

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