<p>The top ranks of the Republican Party may be coalescing around Donald Trump, but grass-roots conservative activists are still trying to find a way to stop him at the party's convention in July.</p>
<p>Angered by Trump's shifting views on taxes, the minimum wage, national security and how little he discusses social issues, conservatives across the country are studying the party rule book for last-ditch moves they could make when the convention begins in Cleveland.</p>
