Analysis: How Harris is reversing Biden’s biggest weakness in the campaignAnalysis: How Harris is reversing Biden’s biggest weakness in the campaign 

Kamala Harris has quickly erased several of the advantages Donald Trump enjoyed over Joe Biden when it comes to the key personal attributes voters prize in a president  . But the most formidable personal quality voters see in the former president – his perceived strength – still looms as a critical obstacle Harris must overcome to win the White House.