Hilary Clinton leads Bernie Sanders among likely Democratic primary voters in Mass. 49% to 45%, according to a WBUR poll before March 1 vote. Donald Trump leads Republican candidates with 40%, followed by Marco Rubio and John Kasich, both with 19% Ted Cruz has 10% support, Ben Carson at 5% NOTE: Feb. 21-23 poll of likely 418 Democratic voters has +/-4.9 ppts margin of error; subset of 386 likely Republican voters has margin of error of +/-4.9 ppts
Source: Bloomberg Politics