Former Massachusetts Gov. William Weld has changed his party registration from Libertarian back to Republican as he mulls a possible primary challenge against President Trump, the AP reports.
Weld served as a Republican governor from 1991 until 1997. He later became a Libertarian and ran for vice president on a ticket with former New Mexico Gov. Gary Johnson in the 2016 election.


?Political Trivia
Eight moments in political history. Put them on a timeline.
Play →
Five senators. Three bills. Can you guess how they all voted?
Play →
Nine Justices. One case. How did they rule?
Play →
Do you have your finger on the pulse of America?
Play →
Four questions a day.
Play →
A new game every day.