Trump’s personal pleas and pressure were among a number of missed opportunities and missteps by the White House that contributed to a defeat notably worse than the administration had hoped for in trying to limit defections, according to officials and lawmakers familiar with the efforts, many of whom requested anonymity to discuss private deliberations.

The administration, for example, failed to give opposing GOP senators legal opinions, project details and other information that they had requested about the national emergency, according to lawmakers and Capitol Hill aides. Vice President Pence was also unable or unwilling to make commitments on behalf of the president even while serving as Trump’s main emissary to negotiate with Republicans, people familiar with the debate said…

“This was the inevitable outcome, and it’s unclear why any effort or political capital was spent trying to avoid it,” said Brendan Buck, a former top aide to former House speaker Paul D. Ryan (R-Wis.). “There aren’t the votes to override, so why bother negotiating?”