By SCOTT MARTELLE From the Los Angeles Times via Tribune News Service
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Republicans have engaged in some interesting contortions in conjuring a defense for President Donald Trump’s attempt to get Ukrainian officials to investigate the family of political rival Joe Biden. The most plausible approach is one Pennsylvania Sen. Pat Toomey signed on to last month, saying he is keeping an open mind but that even if Trump asked Ukraine for a favor, the offense might not rise to a level that demands impeachment.