Focus attacks on the most vulnerable Democrat

Hillary Clinton is one of the most unpopular politicians in America – with a negative rating of 55 percent according to a recent poll. If Republicans hope to win the presidency, Donald Trump should focus all criticism on this vulnerable opponent, rather than attacking more popular figures like President Bill Clinton and President Obama.

Related: Trump calls Clinton a ‘world class liar’

Though Obama won re-election with 51 percent of the electorate, a higher percentage now express a positive view of the president. The problem with Trump’s charges that Obama secretly sides with Islamic terrorists isn’t just their outrageous, conspiratorial nature but their dubious political impact. Even if Trump managed to hold every one of Romney’s 62 million voters he would still need to persuade some 6 percent of voters who backed Obama twice to switch their allegiance.

It won’t help to launch attacks on a lame duck chief executive enjoying a new burst of popular support, when he could aim more profitably at the weak candidate actually opposing him.

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