UPDATED: Poll: Cruz gaining on Dewhurst in U.S. Senate race By Kate Alexander | Wednesday, April 25, 2012, 12:31 PM Updated at 2:45 p.m. with comment from Leppert campaign A new outside poll suggests that Ted Cruz is making up ground on Lt. Gov. David Dewhurst in the Republican pirmary for U.S. Senate. Dewhurst still leads with the backing of 38 percent of the respondents but the support for Cruz has increased to 26 percent in the crowded primary. In January, the last time Public Policy Polling looked at the race, Cruz was favored by 18 percent of those surveyed....