Representative Katie Hill of California announced Sunday she is resigning from Congress amid allegations of sexual relationships with a member of her congressional staff and a campaign staffer. "This is the hardest thing I have ever had to do, but I believe it is the best thing for my constituents, my community and our country," she said in a statement she posted to Twitter. 'Hill admitted the relationship with the campaign staffer, writing to her constituents earlier this week, "I know that even a consensual relationship with a subordinate is inappropriate, but I still allowed it to happen despite my better judgment." She...