Kevin McCarthy hits the wall

First: The speaker suffers another humiliation on the House floor. Republicans can't agree to move forward on a defense bill and will remain nowhere close to solving a shutdown riddle.

Plus: Life or death politics. Ukraine's president tries to convince a coalition to pay billions more in bullets, but Washington decides what will be felt.

And: Media titan Rupert Murdoch steps down and says he will hand off the business to his son.

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