Sharron Angle, the Tea Party favorite who won the 2010 Republican nomination for U.S. Senate in Nevada but lost in the general to Harry Reid, has thrown her support behind Pa. Senate hopeful David Christian.

While party bylaws do prohibit members and committees from supporting Democrats – complete with a procedure for discipline – there are no such rules against welcoming non-endorsed Republicans.

For months, Sen. Bob Casey has made the payroll tax cut extension his top issue. He put himself out publicly on the issue more than almost any other thus far in his low-profile first term, routinely appearing on cable on Pa. news to push the measure. He scored a win when it passed on Friday.

Here’s the full list of candidates who have filed so far, and some of the more impressive numbers of petition signatures from the various campaigns.

The GOP may be in serious trouble when it comes to Sen. Bob Casey’s seat. Last Friday, the Pittsburgh Tribune Review released a poll in which 72% of GOP voters stated they are unsure which of the six candidates they will support in the race.

There has long been tension between movement conservatives and the party establishment about the practice of endorsements. Now, it looks like Steve Welch is going to have to deal with it.

Dick Morris, a conservative commentator who previously worked for the Clinton administration, has endorsed Tom Smith for U.S. Senate in Pennsylvania.

Since 2001, candidates endorsed by Democratic state committee have gone on to win the party’s nomination about 48 percent of the time. Endorsed Republicans have won 90 percent. Here’s why.

The Senate candidate and former coal company owner from Armstrong County is putting up his existing TV ads with 1,000 gross ratings points each in the Pittsburgh, Harrisburg, Altoona-Johnstown, and Scranton/Wilkes-Barre markets.

Sam Rohrer ran away with a straw poll after the Valley Forge Patriots US Senate forum this weekend. In an earlier event, he also dinged Gov. Corbett for his endorsement of Steve Welch.

The Earmark Elimination Act of 2011, introduced by Sen. Pat Toomey and Sen. Claire McCaskill (D-MO), was voted down 59-40 in the Senate. Among those opposed: Sen. Bob Casey. But both stood up for the NDIC in Johnstown.