An online fundraiser started by an Air Force veteran to pay for construction of President Donald Trump's U.S.-Mexico border wall was up to millions of dollars Thursday, bringing further attention to an issue that could lead to a government shutdown. Brian Kolfage launched the GoFundMe page Sunday, and it has since generated $6 million in donations. The site states a fundraising goal of $1 billion. In a statement posted on the crowdsourcing page, Kolfage says the wall could be built if everyone who voted for Trump pledged $80 each. "As a veteran who has given three limbs, I feel deeply...