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(CNN)—On the eve of the North Carolina and Indiana primaries, Hillary Clinton and Barack Obama sharpen attacks and put in overtime to court the last-minute undecided voters.

In the latest installment of CNN=Politics Daily, Senior Political Correspondent Candy Crowley highlights the Democrats’ push before Tuesday’s primaries, while Senior Political Analyst Bill Schneider breaks down the latest poll numbers and what they could mean for Obama and Clinton.

John McCain used Cinco de Mayo to court Hispanic voters, a group which is increasingly becoming more important this election cycle. CNN’s Dana Bash traveled with the presumptive nominee to Phoenix, Arizona.

Finally: the threat from Iranian leaders and their nuclear program has prompted responses from all the presidential candidates. CNN’s Suzanne Malveaux reports on McCain, Clinton and Obama’s efforts to appear strong against Iran.

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