Collins, who is the highest-ranking Republican on the House Judiciary Committee, will spend his day in the key swing county meeting business leaders and touring some of the state manufacturing companies before headlining the Republican get together.
The latest poll conducted after Gov. Tom Wolf called for the marijuana legalization for adult recreational use shows that more people oppose his plan in the state than support it.
The new poll shows former Vice President Joe Biden leading the way with 17% support, while 52% remain undecided.
Duvall said his campaign will focus on supporting unions, raising the minimum wage, increasing access to high quality public education, and access to modern technologies.
The Lebanon County DA describes himself as a consistent conservative and as an outsider to Harrisburg.