Sestak never qualified for any of the primary's debates.
The former Pennsylvania congressman and U.S. Navy veteran joins the crowded Democratic race.
A poll says that Joe Sestak, whom Democrats spent millions of dollars to beat, would be doing better now than Senate nominee Katie McGinty.
The Democratic Party spending millions of dollars to defeat Grayson and Sestak in the primaries is short-sighted, to say the least.
Democrats pounded the progressive in the race, hoping they can pick up a Senate seat from Republicans in November.
The nation's smallest state will vote tomorrow night. Not a whole lot of polling exists here, but it's pretty clear on the Republican side. Donald Trump will sail to victory here, with a huge margin. John Kasich looks to take second, with Cruz far behind.
If Braddock mayor John Fetterman can pull off an upset in Pennsylvania's primary, Sanders could get a kindred spirit in the U.S. Senate.
Pennsylvania Senate candidate John Fetterman accused the DNC chair of colluding with payday lenders.
The United States is a global power with global interests. Our future will depend on how successful we are in shaping a more stable world, from pushing back ISIS in Iraq to checking an aggressive Russia, from nurturing peace in the Middle East to containing the spread of Ebola.
Sestak, who lost his previous Senate run in 2010 to Republican Pat Toomey, told the Associated Press he will not run for