Tonight on the eave of the Democratic National Convention in Chicago, poll show Vice President Harris gaining ground in key swing states.

Then America at a crossroads, a look back at the chaos that consumed the 1968 Democratic

Convention in Chicago and why it's unlikely to happen

again this time.

America before August 28, 1968, and after August 28, 1968 was a different America. The idea that this convention will be a

watershed is pretty much inconceivable. Now this election might be a watershed.

And why a device used to treat a deadly heart condition is under scrutiny. Good evening I'm John Yang.

I'm John Yang.

Secretary of State Anthony Blinking is in Israel tonight trying to nail down a cease-fire deal

despite some objections from Hamas, even as Israel mounted fresh assaults on Gaza.

Israeli airstrikes killed at least 29 people including six children.

Israel says it was targeting Hamas rocket launchers.

In a cabinet meeting today, Prime Minister Benjamin Netanyahu said he could be flexible on some parts of the US-backed

ceasefire proposal but would stand firm on others. Netanyahu and Blinken are to meet tomorrow

and blinking is to fly to Egypt on Tuesday.

Ukraine is ramping up military operations and its nearly two-week-old incursion into Russia.

Ukrainian Armed Forces video shows a vital bridge in Russia's cursed region being hit by an

air strike. It's the second key span that's been destroyed severely hampering

Russian supply lines. President Volodomar Zilinsky is asking Western allies to lift remaining

restrictions on using long-range Western weapons to strike targets deeper in Russia

while Russia is weakened. On the eve of the Democratic Convention,

Vice President Kamala Harris was in the key swing state of Pennsylvania.

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