By Silas Allen Staff Writer sallen@oklahoman.comDonald Trump's lead in Oklahoma's presidential contest appears to be shrinking. Although the Republican nominee still holds a substantial lead in the race, former Secretary of State Hillary Clinton appears to be making up ground in the Sooner State, according to a poll conducted this week. The poll shows 50.9 percent of respondents said they would vote for Trump if the election were held today, down from 53 percent in a poll conducted in late July. In last week's poll, 35.6 percent said they would support Clinton, up from 28.6 percent in July. Another 6 percent saying they would vote for Libertarian candidate Gary Johnson, down from 7 percent in July.Read more on NewsOK.com