Bill Weld to Challenge Trump br in 2020 GOP Primary He most recently was the br vice presidential candidate br for the Libertarian party. Weld went back to being a Republican after the 2016 election. In an announcement, Weld criticized Trump for using his priorities to benefit himself and br not the country. The 73-year-old also compared current Republicans in DC to hostages with "Stockholm Syndrome." Bill Weld, via statement The president currently holds a br 89 approval rating br among GOP voters.