WASHINGTON (AP) — The Latest on the 2016 presidential campaign (all times EDT):

9:48 a.m.

Ohio Gov. John Kasich says he has no idea how he'll vote come November because he doesn't support Donald Trump or Hillary Clinton. He also says he isn't sure whether Trump can win Ohio if he remains so divisive.

Kasich, who lost the GOP primary to Trump and shunned the Republican National Convention, tells CNN's "State of the Union" that four years of Hillary Clinton would mean "total gridlock."

But Kasich says he can't swing behind Trump either, and that any candidate who wants to win his support has to "operate in the light," and not on the "dark side of the street."

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8:59 a.m.

As secretary of state, Hillary Clinton basked in a diplomatic "Moscow Spring," seizing on Vladimir Putin's break from the presidency to help seal a nuclear arms-control treaty and secure Russia's acquiescence to a NATO-led military intervention in Libya.

But when Putin returned to the top job, things changed.

Now the Democratic presidential nominee, Clinton has vowed to stand up to Putin if elected, drawing on her four years of ups and downs as the public face of President Barack Obama's first-term "reset" with Russia. By comparison, her Republican opponent, Donald Trump, has rung alarm bells in Washington and Europe with his overtures to the authoritarian Russian leader.

But Clinton's wrangles with Russia led to mixed results.

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8:38 a.m.

Democratic presidential nominee Hillary Clinton will deliver what aides are billing as a major economic speech on Thursday in Detroit.

Clinton's appearance is set to follow a speech planned by Republican rival Donald Trump on what he would do to improve economic growth. Trump's speech is set for Monday in the same city.

The dueling Detroit addresses come as new polls show Clinton gaining ground on economic issues.

Aides say Clinton will outline her economic plans and argue that Trump is only focused on the wealthiest Americans.

At campaign events last week, Clinton questioned Trump's commitment to creating American jobs by highlighting his use of outsourcing at his companies.

Trump's populist economic message includes a vow to revive manufacturing jobs and renegotiate trade deals to benefit American workers.