Is Trump OK? Unhinged reaction to rise of Harris worries supporters

Contributing sentiments towards policy:

77% : Pressed this week by CBS News on whether he has done so himself, Trump claimed to have recently had a "perfect score" on two cognitive tests.
75% : "Trump also claimed to "have been the best president for Black Americans since Abraham Lincoln".
56% : Earlier this week, a JL Partners poll for the Daily Mail showed the number of American voters who have confidence that Trump is able to fully digest national security briefings, maintain attention in meetings and remember the names of world leaders he is talking to - and who have confidence that he will still be alive in four years - has dropped sharply since March.
52% : After the vice-president appeared on the cover of Time magazine, Trump compared her appearance to Sophia Loren and his wife, Melania, before drawing a comparison with his own features.
50% : When the focus was on Biden's mental acuity, Trump said every presidential candidate should be required to take a cognitive test.
49% : When he's not worried about size, Trump is vexed by Harris's looks.
46% : Trump has sought to court Black voters in recent months as he attempts to win enough of their support to swing key states such as Michigan.
46% : Polls put Trump on the front foot, and his campaign advisers openly gloated about the prospect of a landslide win in November.
43% : In just a few months, concern about fitness for office has shifted from Biden to Trump, who is now the oldest US presidential candidate in history.
42% : Trump, to no one's surprise, has ploughed on regardless.
36% : At a rally in Pennsylvania a week ago, Trump went as far as rambling on about rambling.
31% : Trump apparently listened to his advisers for once, as he took a step back from the relentless personal attacks and largely let the press and public opinion lead the questioning of the 81-year-old president's fitness for office.
26% : The vice-president's tactic of mocking Trump more than arguing with him appears to have incensed him further.
24% : Senator Lindsey Graham pleaded with Trump to stay focused on the issues that play best for the former president, such as the economy.
24% : Kevin McCarthy, the Republican former speaker of the US House of Representatives, told Fox News that Trump should stop making the race about personalities and "stop questioning the size of her crowds".
23% : The attempt to assassinate Trump in Pennsylvania in July did no harm to his standing.
18% : But they're not nice to me - they want me to be in prison," Trump told reporters.
17% : Since Harris assumed the mantle of the presumptive Democratic candidate, Trump has claimed to be better-looking than the vice-president, questioned whether she is really Black and attacked her laugh as that of "a lunatic".
16% : But while Biden's run for re-election was largely sunk by a single disastrous televised debate before a national audience, Trump is ramping up doubts with each chaotic, disjointed speech as he campaigns around the country.
15% : Trump has only grown more infuriated as his poll lead over Biden evaporated, with Harris opening up a clear, if narrow, lead.
12% : Harris also appears to have hit a nerve with Trump by comparing her history as a prosecutor with his recent status as a convicted criminal.
7% : Trump seems particularly obsessed with the size of the crowds at Harris's rallies, drawing derision for falsely claiming she used artificial intelligence to fake the turnout.
3% : Nikki Haley, the Republican former presidential candidate who denounced Trump as unfit for office before supporting him, said he "is not going to win talking about what race Kamala Harris is" or by calling her "dumb".

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