(Reuters) — Republican U.S. presidential candidates were in Manchester, New Hampshire, to test their messages at a forum on Monday (August 3) broadcast live on U.S. cable network C-SPAN. Fourteen of the 17 candidates faced off in Manchester, N.H. for the Voters Issues Forum at Saint Anselm College. Each candidate was asked questions by a moderator based on a random draw. While Donald Trump decided not to attend, illegal immigration was a dominant theme. […]