Sen. Susan Collins, R-Maine, spoke out against her Democratic challenger, Graham Platner, asserting that his extensive ‘laundry list’ of scandals and controversies would typically disqualify any candidate from serving in the U.S. Senate. Sen. Susan Collins, R-Maine, spoke out against her Democratic challenger, Graham Platner, asserting that his extensive ‘laundry list’ of scandals and controversies would typically disqualify any candidate from serving in the U.S. Senate.