6 AM ET: Walz accepts VP nomination, RFK jr. set to drop out, rail lockout & more

<p>Governor Tim Walz officially introduced himself as the Democrats nominee for vice president last night, while some lawmakers showed support for the uncommitted voters at the Democratic National Convention. Sources tell CNN that Robert F. Kennedy Jr. is expected to suspend his independent campaign for president. A rail lockout in Canada is threatening to disrupt several US industries. President Joe Biden and Prime Minister Benjamin Netanyahu held a call on a ceasefire proposal, as deadly Israeli airstrikes continue in Gaza. Plus, a symbol for equality has passed away at an Australian aquarium.</p><p> </p><p>Learn more about...