March 4, 2015 11:42 am Former Delco Congressman Announces Senate Campaign Former Delaware County U.S. Congressman Joe Sestak announced he will run for U.S. Sen. Pat Tommey (D-Pa.)’s seat in 2016. US & World Videos 3:26 Mayor Parker addresses City Council to discuss the future of Philadelphia schools 2:04 Pro-Palestinian protests continue at University of Pennsylvania 1:42 Pro-Palestinian protesters set up camp at Penn 3:34 Clearer picture of the matchups ahead of November's election 24:22 WATCH: Attorneys who represented Trump company analyze current hush money case