In a phone call with Ukraine's president this month, US President Joe Biden pledged continued solidarity with Ukraine as it battles Russia's military invasion and illegal annexation of Ukrainian territory. But that level of support could be in jeopardy if the GOP gains control of the House of Representatives in this year's midterm elections. The warning signs have been building for months. In April, 10 House Republicans voted against a bill allowing the Biden administration to more easily lend military equipment to Ukraine. The following month, 57 House Republicans voted "no" on a nearly $40 billion aid package for Ukraine....