Republican presidential candidate Sen. Lindsey Graham (R-S.C.) says GOP front-runner Donald Trump is doing so well in the polls because nearly half of Republican primary voters think President Obama is a Kenyan-born Muslim. “Well there’s about 40 percent of the Republican primary voter who believes that Obama was born in Kenya and is a Muslim,†Graham told Boston Herald Radio on Friday, according to BuzzFeed News. “There’s just a dislike for President Obama that is visceral. It’s almost irrational,†Graham added. Graham said Trump will not get 270 electoral votes needed to win the presidency if he doesn’t grow support...