British Prime Minister Tony Blair's son Euan is to take an internship with a leading US Republican Congressman, a newspaper said. Euan Blair is to spend three months unpaid with the Republican majority on the House of Representatives Committee on Rules, the Sunday Telegraph revealed. He will reportedly be under the wing of Californian lawmaker David Dreier, the committee's chairman and a member of the lower House of Representatives for the Republican Party of US President George W. Bush. 21-year-old Euan, Blair's eldest son, is soon to graduate from Bristol University in southwest England with a degree in ancient history....