ISTANBUL The US Justice Department has warned Elon Musk's political action committee or America PAC, that its $1 million sweepstakes for registered voters in key swing states may violate federal law, CNN reported on Wednesday, citing unnamed sources. The giveaway, designed to boost voter registration in support of First and Second Amendment rights, raised concerns due to federal laws prohibiting payment for voter registration, according to CNN. Musk, who supports former US President Donald