Former Pakistan prime minister Imran Khan was sentenced Tuesday to 10 years in prison, less than two weeks before the country votes in an election his party has been hamstrung from contesting. Pakistan goes to the polls next Thursday in a ballot already marred by allegations of pre-vote rigging, with Khan barred from running and his Pakistan Tehreek-e-Insaf (PTI) party subject to a massive crackdown. “You have to take revenge for every injustice with your vote on February 8,” Khan said in a statement addressed to the electorate, posted on his X profile. “Tell them that we are not sheep that ca…