Republican U.S. Rep. Kerry Bentivolio, considered by some to be an “accidental” congressman, was easily defeated Tuesday in a Michigan district and became the third U.S. House incumbent to lose his seat this year. Lawyer and businessman David Trott, 53, who contributed nearly $2.5 million of his own money to his campaign, will face Democrat Bobby McKenzie, a counterterrorism expert, in the November general election to represent the 11th congressional district covering a swath of Detroit’s western and northern suburbs. …