US President Donald Trump is expected to allege previously unreported Chinese interference in US elections during a primetime address on Thursday, including claims that Beijing compromised US voter data and that the CIA was aware of the activity but did not inform him during his first term, according to a report by CBS News, citing sources familiar with the matter.According to the report, Trump's speech is expected to focus on allegations that China accessed US voter registration data and that intelligence related to the issue was withheld from him while he was in office. The audience is expected to include…