Republican senator blocks promotion of general who oversaw Afghanistan withdrawal

A Republican senator has blocked the promotion of a general who oversaw the US withdrawal from Afghanistan, according to a source familiar with the matter, as President-elect Donald Trump has vowed to go after the officials involved in the withdrawal.

​ A Republican senator has blocked the promotion of a general who oversaw the US withdrawal from Afghanistan, according to a source familiar with the matter, as President-elect Donald Trump has vowed to go after the officials involved in the withdrawal. Read More Breaking News, Latest News and Videos | CNN