The Elon Musk-funded political action committee set up by the billionaire entrepreneur to help Donald Trump return to the White House is scrambling to meet doorknocking targets as it looks into allegations that some canvassers falsified the number of voters they claimed to have contacted. According to an exclusive report in Reuters, the troubles with the group, America PAC, emerged in battleground states including Wisconsin and Nevada in the final sprint to enlist voters behind the Republican presidential nominee with just weeks to go before the Nov. 5 election. Citing sources involved in the …