WASHINGTON — Former Vice President Mike Pence is beginning to build a political future without Donald Trump, including making plans to form a policy-focused fundraising committee that would help him maintain a relationship with donors, according to multiple sources familiar with his plans. Pence, who left Washington and took a post-inauguration vacation with his wife in St. Croix, in the U.S. Virgin Islands, ahead of resettling in Indiana, is expected to announce his new venture in the coming weeks, sources said. To say the end of his time in office was rocky would be to put it mildly. His relationship...