One day after President Joe Biden announced his endorsement of Vice President Harris for the Democratic presidential nomination, party leaders in Illinois are following suit. Republican leaders, though, say they don't believe Biden's decision will change the way former President Donald Trump campaigns to return to the White House. WBBM's Terry Keshner and Bernie Tafoya report.

Photo by KENT NISHIMURA/AFP via Getty Images

<p>One day after President Joe Biden announced his endorsement of Vice President Harris for the Democratic presidential nomination, party leaders in Illinois are following suit. Republican leaders, though, say they don't believe Biden's decision will change the way former President Donald Trump campaigns to return to the White House. WBBM's Terry Keshner and Bernie Tafoya report.</p>
<p>Photo by KENT NISHIMURA/AFP via Getty Images</p>

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