Day on the trail: Chelsea, dairy farmers and Bonior

Both Democratic presidential campaigns are feverishly working here in Kentucky. Here's a digest of what the next day or so brings:

U.S. SEN. BARACK OBAMA

Obama snared an endorsement Thursday from former campaign manager of John Edwards' presidential bid, David Bonior.

"As I look at the presidential race as it stands today, I see one candidate who has proven he can bring the kind of change to Washington that will mean more jobs, better pay for American workers, and health care for every single American. That candidate is Barack Obama," said Bonior, a former congressman, in a statement.

Later Thursday, the "Women for Obama" group will kick off its election activities at Obama's Louisville campaign headquarters.

Obama, himself, is slated to be in Oregon Friday and won't attend the Kentucky Democratic Party fund-raiser in Louisville that night.

U.S. SEN. HILLARY RODHAM CLINTON

Former first daughter Chelsea Clinton will campaign in Richmond and at the opening of the campaign's Frankfort headquarters Thursday afternoon.

Clinton also has a group that includes New York dairy farmers traveling Kentucky talking about Clinton's agriculture and rural America policies.  "Hillary has a proven record of creating and promoting programs that help farmers and rural communities," said Ed King, a dairy farmer from Saratoga County, a rural area in northern New York, who is part of the delegation.

Clinton's campaign launched a "Hats Off for Hillary" drive, which encourages women to donate their Kentucky Derby hats to charity as a way to raise awareness for breast cancer, according to a campaign news release. The drive asks women to drop off their hats at Clinton's Kentucky field offices from now until May 20.

Campaign volunteers also have organized two "Honk 'N Holler for Hillary" efforts during rush-hour this afternoon: one at Harrodsburg Road and New Circle in Lexington at 4:30 p.m. and the other in Covington's Goebbel's Park.

Hillary Clinton will be in Louisville Friday for the state Democratic Party fund-raiser.

- Ryan Alessi