Two vulnerable Senate Democrats won’t yet commit to campaigning with presumptive Democrat nominee Vice President Harris as they face re-election in states won by former President Trump last cycle.Harris became the likely 2024 nominee after President Biden dropped out of the race in late July. While most of the Democrat Party is rallying behind Harris, Democrats in predominantly red states appear more hesitant to jump on board with the new-look ticket.Sen. Sherrod Brown, D‑Ohio, running in one of the Democrats’ most vulnerable Senate races of the 2024 cycle, avoided saying whether he would campaign with Harris. “I’ve got my own schedule,” Brown told CNN when asked about campaigning with likely nominee Harris. “She’s go …