Proposed Changes for Electoral College

Facts/Details:

1. If a candidate wins a congressional district, he or she would receive one electoral college vote. Whoever does best in the statewide race would receive two electoral votes.
2. In Pennsylvania, a secretive nonprofit group called All Votes Matter has been pushing the electoral vote scheme since May.  
3. This week, the group filed new lobbying disclosure forms revealing that it spent $186,882 on lobbying between July and September.
4. At the last meeting of the Republican State Committee, a number of members were outspoken in their opposition to the electoral vote change, and, having previously said he would sign the change if it passed the legislature, Gov. Corbett now says he has other priorities.
5. In contrast to the seven Democratic U.S. House members in safely Democratic districts, eight of the 12 Republican Pennsylvania House members from are districts considered margina.
6. Pileggi’s proposal threatens Pennsylvania’s continuing preeminence in national politics.
7. The state’s electoral vote clout will be diluted, since most of the state’s CD’s are not competitive and presidential candidates will either write them off or take them for granted. 
8. Fixing the Electoral College is a national problem, and Congress needs to act decisively to do it.
9. If this system had been in place in 2008, President Obama would have beaten John McCain by a narrow margin, 11-10, rather than winning all 21 electoral votes.
10. So far PA senator Chuck McIlhinney (SD-10) dislikes the plan, and Bob Mensch (SD-24) is one of the co-sponsors. 

Questions:

1. Why did Pennsylvania decide to propose this bill now?
2. How would this change affect voting on the national level?
3. Would this change affect voter turnout?
4. Would this change lead to less campaigning in our state?
5. What party would this help the most?

http://motherjones.com/politics/2011/11/pennsylvania-electoral-college-all-votes-matter
http://pennsylvanianews.info/pennsylvania-top-stories/nervous-pennsylvania-gop-house-members-kill-electoral-college-change.html
http://www.realclearpolitics.com/articles/2011/09/17/a_really_bad_idea_111367.html
http://hellertown.patch.com/articles/what-to-watch-in-pas-electoral-college-debate