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Republican candidate risks muddling his message on immigration to broaden appeal
Republican candidate needs to do a lot of work to reach out to African-Americans
Democrat paid 34% rate in 2015 on income of more than $10m with husband Bill
The unconventional 2016 presidential campaign is scrambling the electoral map
Some Republicans fear Donald Trump will turn the party convention into a Las Vegas show
Expectations of a Republican split were always flattering to the party establishment
Refusal to release returns increases pressure on Republican candidate
The white working class’s sense it has been abandoned is perfectly justified, writes Jacob Weisberg
Texan still faces tough climb but could force contested convention on frontrunner
String of endorsements show the party reluctantly backing Texan against Trump
Move comes as Trump and Clinton cement frontrunner status with Arizona wins
Republican and Democratic contenders cement frontrunner status for parties’ nominations
Utah move will be attempt to deny tycoon the delegates he needs
If Trump fails to win a majority he will be at the mercy of party procedure, writes Jacob Weisberg
America’s racial history did not end with his election, as borne out by today’s voting patterns
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