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Hillary Clinton campaigns during a downpour in Pembroke Pines Saturday 1:40

Hillary Clinton campaigns during a downpour in Pembroke Pines Saturday

Hillary Clinton criticizes Donald Trump at Fort Lauderdale rally 2:05

Hillary Clinton criticizes Donald Trump at Fort Lauderdale rally

 Hillary Clinton rallies supporters in South Florida 1:32

Hillary Clinton rallies supporters in South Florida

Tim Kaine knocks Trump — and Florida Governor Scott 1:57

Tim Kaine knocks Trump — and Florida Governor Scott

Hillary Clinton asks congress to act on Zika while in Miami 2:22

Hillary Clinton asks congress to act on Zika while in Miami

Joe Biden: Donald Trump is full of malarkey 3:24

Joe Biden: Donald Trump is full of malarkey

Mother of Orlando victim: It's in my son’s DNA that ‘love always trumps hate' 4:56

Mother of Orlando victim: It's in my son’s DNA that ‘love always trumps hate'

Hillary Clinton: What an incredible honor you've given me 2:16

Hillary Clinton: What an incredible honor you've given me

'Mothers of the Movement' pledge support of Hillary Clinton 2:51

'Mothers of the Movement' pledge support of Hillary Clinton

Bernie Sanders formally nominates Hillary Clinton for president 3:22

Bernie Sanders formally nominates Hillary Clinton for president

Despite calls from Sen. Bernie Sanders for party unification, his supporters booed and chanted as speakers called for support of Hillary Clinton at the Democratic National Convention. The four-day convention kicked off on Monday in Philadelphia. Natalie Fertig McClatchy
Despite calls from Sen. Bernie Sanders for party unification, his supporters booed and chanted as speakers called for support of Hillary Clinton at the Democratic National Convention. The four-day convention kicked off on Monday in Philadelphia. Natalie Fertig McClatchy

Tumultuous start threatens to derail Democratic convention

July 25, 2016 08:55 PM

More Videos

Hillary Clinton campaigns during a downpour in Pembroke Pines Saturday 1:40

Hillary Clinton campaigns during a downpour in Pembroke Pines Saturday

Hillary Clinton criticizes Donald Trump at Fort Lauderdale rally 2:05

Hillary Clinton criticizes Donald Trump at Fort Lauderdale rally

 Hillary Clinton rallies supporters in South Florida 1:32

Hillary Clinton rallies supporters in South Florida

Tim Kaine knocks Trump — and Florida Governor Scott 1:57

Tim Kaine knocks Trump — and Florida Governor Scott

Hillary Clinton asks congress to act on Zika while in Miami 2:22

Hillary Clinton asks congress to act on Zika while in Miami

Joe Biden: Donald Trump is full of malarkey 3:24

Joe Biden: Donald Trump is full of malarkey

Mother of Orlando victim: It's in my son’s DNA that ‘love always trumps hate' 4:56

Mother of Orlando victim: It's in my son’s DNA that ‘love always trumps hate'

Hillary Clinton: What an incredible honor you've given me 2:16

Hillary Clinton: What an incredible honor you've given me

'Mothers of the Movement' pledge support of Hillary Clinton 2:51

'Mothers of the Movement' pledge support of Hillary Clinton

Bernie Sanders formally nominates Hillary Clinton for president 3:22

Bernie Sanders formally nominates Hillary Clinton for president