A fresh poll reported Tuesday in the Oregon Senate race shows Democratic challenger Jeff MerkleyJeff MerkleyOvernight Energy: Trump set to sign offshore drilling order Sanders: Trump couldn't be 'more wrong' on climate Overnight Energy: Trump orders review of national monuments, claiming ‘egregious abuse’ MORE widening his lead over Republican incumbent Gordon Smith.

The poll of 672 likely voters, conducted by Survey USA over the weekend, shows Merkley at 49 percent to 42 percent for Smith